Planets (List)

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Galaxy Portal
Planets

A list of known worlds in the Galaxy:

List

Planet Name	Planet Type	Segmentum	Notes	Source
108/Beta-Kalapus-9.2[5a][5b][5c]	Adeptus Astartes Homeworld[5a][5b][5c]		Homeworld of the Wolfspear[5a][5b][5c]
42 Hydra Tertius[7d]			Also known as Eolith.[7d]
47 Kapella[8b]	War World[8b]	Obscurus[8b]	Calixis Sector / Drusus Marches[8b]
8-Rho-krame[9]	Armoury World[9]		Abandoned, overtaken by Orks[9]
88 Tanstar[8b]	Frontier World[8b]	Obscurus[8b]	Calixis Sector / Drusus Marches[8b]
A1709[10b]	Research Station[10b]
Abandoned Hope[8c]	Forbidden World[8c]	Obscurus[8c]	Calixis Sector / Josian Reach. A world cut off by the Inquisition; all access is denied.[8c]
Abheilüng[11e]	Forge World[11e]	Solar[11e]	Dark Mechanicum Forge World[11e]
Abramis VII[12a]
Absolom Reach[13]	Daemon World[13]		Former Hive World, former Desert World[13]
Accatran[14a]	Forge World[14a]	Ultima[14a]
Acheron IV[15]	War World, Forge World[15]
Acanon[16c]		Solar[16c]	Homeworld of the Emperor's Blades Death Cult[16c]
Acralem[17e]		Ultima[17e]	The location of a daemonic incursion led by M'kar the Reborn in 799.M41[17e]
Acreage[8c]	Feudal World[8c]	Obscurus[8c]	Calixis Sector / Josian Reach[8c]
Actium[18]	Jungle World[18]
Adacore[19]	Mining World[19]		Site of the Adacore Extermination[19]
Adrantis Five[21d]	Dead World[21d]	Pacificus[21d]
Adric IV[22]			Held an Ecclesiarchal hermitage whose bell tower was said to be touched by the Emperor. The hermitage, bell, and nearly all its clergy were slain by Necron raiders, with Brother Vielle the sole survivor.[22]
Adumbria[23b]	Civilised World[23b]		Tidally locked, one hemisphere is desert and the other ice.[23b]
Adun[14c]			"Shadow World"[14c]
Ae[24]	Forest World[24]
Aerius[25]	Hive World[25]
Aeteria[26]			Oqueth Sector[26]
Aggaros[11b][27]	Feral World[11b][27]	Obscurus[11b][27]
Aggenon[28a]	Shrine World (former)[28a]		Invaded by Aeldari in M41[28a]
Aggreon[29]
Aghoru[30a]
Agraria XIII[31b]
Agripinaa[14a]	Forge World[14a]	Obscurus[14a]
Agrippus[32f]	Prison World[32f]	Ultima[32f]	Attila System[32f]
Akandat[32e]	Death World[32e]	Obscurus[32e]	Dhobash System[32e]
Aipolodon IV[33a]	Agri World[33a]
Aktosha[34]	Daemon World / Crone World[34]	Obscurus / Eye of Terror[34]
Alactra[8b]	Hive World[8b]	Obscurus[8b]	Calixis Sector, Malfian Sub-sector[8b]
Alantor X[35a]			The place of destruction of the Angels of Retribution Space Marines Chapter[35a]
Alsor[36]		Obscurus[36]	Scarus Sector, Helican Subsector[36]
Al-Arach[37b]
Al-Zahara[38]
Alayran[39a]	Maiden World[39a]
Albert IV[40]	Forge World[40]
Albitern[41f]		Obscurus[41f]	Above this planet the Howling Griffons' First Company banished the Daemon Prince Periclitor.[41f]
Alcatran[42b]	Hive World[42b]
Aldarast[43]
Alena-Mora[44c]			Homeworld of Inquisitor Ivixia Dannica[44c]
Alexandrum[32f]	Archivum World[32f]	Ultima[32f]	Attila System[32f]
Alexandrus[33d]	Feudal World[33d]
Alfrost[45]	Death World[45]	Ultima[45]	Site of heavy fighting between the Space Wolves and the Prophets of War during the Crusade of Fire.[45]
Algol[46a]	Hive World[46a]
Algol Nine[47b]
Almarit[48b]	Daemon World / Fortress World (former) / Shrine World (former)[48b]
Alpha Shalish[49f]	Dead World[49f]	Solar[49f]
Alpha Shalish[49f]	Dead World[49f]	Solar[49f]
Alphex[50]
Altair VII[10a]
Altaneum[51b]	Ocean World[51b]
Altarak[52b]			Site of an ambush led by Khârn the Betrayer, against the Warband of the Chaos Space Marine Zarghan Ironfist[52b]
Altid 156[53a]			Site of the Altid Crusade[53a]
Alveare[54]	Hive World[54]
Alyandu[28d]	Maiden World[28d]
Amar[1n]
Amarah Prime[55f]	Hive World[55f]	Tempestus[55f]	Battle of Amarah[55f]
Amaranthus[32e]	Factory World[32e]	Obscurus[32e]	Prismata System[32e]
Ambold Eleven[56d]		Pacificus[56d]	Sabbat Worlds / Newfound Trailing Group Occupied by the forces of Chaos; conquered during the Sabbat Worlds Crusade.[56d]
Amerigo Secundus[37c]			Home of the Wolverine Regiment Imperial Guard.[37c]
Amistel[57a]			Home to the Amistel 24th Cavalry Regiment Imperial Guard.[57a]
Amistel Majoris[57b]	Civilised World[57b]	Obscurus[57b]
Ammunheim[58b]	Forge World[58b]
Amun'an Morrus[59a]	Dead World[59a]	Obscurus[59a]	During the Angevin Crusade, Amun'an Morrus' once-human machine population was judged too tainted to exist and was infamously destroyed by Exterminatus.[59a]
Anark Zeta[37b]	Ogryn World[37b]
Anathrax[11a]	Daemon World[11a]	Obscurus[11a]	Eye of Terror. On this planet two Space Marines Chapters were corrupted - the Iron Drakes (became the Grey Death) and the Argent Hammers (became the Talons of Anathrax).[11a]
Ancarin[60]		Tempestus[60]	Inwit Cluster[60]
Andromeda[41b]
Andronicus Prime[61]	Dead World[61]	Ultima[61]
Anemae Gulfward[44a]		Obscurus[44a]
Anetarbraxus[62c]	Dead World / Forge World (former)[62c]
Angelus Minor[63]
Anshur[64c]	Former Hive World, present status unknown[64c]
Antasic IX[65]	Forge World[65]
Antax[66d]	Forge World[66d]	Ultima[66d]	Site of the Battle for Antax[66d]
Antecanis IV[67e]			Site of the Antecanis Massacre[67e]
Antioc[14a]	Hell Forge / Forge World (former)[14a]	Obscurus[14a]	Captured by Chaos forces[14a]
Antioch Majoris[68g]
Antiolochus[69c]
Antopie[70a]
Anvillus[71]	Forge World[71]	Ultima[71]	Original creators of the Anvillus Pattern Dreadclaw and the Mars-Alpha Pattern of the Warlord Battle Titan[71]
Anvilus Nine[72a]	Forge World[72a]
Anzyra[73]	Adeptus Astartes Homeworld[73]		Homeworld of the Angels Sanguine[73]
Aoid's Sepulchre[74b][74c]	Dead World / Shrine World (former)[74b][74c]
Appus IV[54]	Forge World[54]
Aquillius[75a]	Cardinal World (former)[75a]
Aquilon[2c][2e]	Adeptus Astartes Homeworld[2c][2e]		Former homeworld of the Executioners Space Marine Chapter, now - the planet of the Sons of Medusa[2c][2e]
Arach-Cyn[76]	Crone World[76]	Obscurus[76]
Aralan[77]	Hive World[77]
Arcadia[78]	Hive World[78]
Arcadia[79x]	Xenos World[79x]		Holds vast, ancient libraries of the Harlequin[79x]
Arcadia Secundus[80b]
Arcetri[81e]	Dead World / Forge World (former)[81e]		Was attacked and consumed by a tendril of Hive Fleet Harbinger[81e]
Archaos[82]	Hive World[82]	Obscurus[82]
Archangelsk[83b]	Dead World / Gas Giant (former) / Civilised World (former)[83b]		Destroyed in 319.M36[83b]
Archipelaga[84]	Feral World / Ocean World[84]	Ultima[84]	Reclaimed by the Imperium after the Damocles Gulf Crusade.[84]
Archona[85h]	Hive World[85h]	Ultima[85h]
Archos[1j]
Arconar[86a]	Feral World[86a]
Ardenz IV[87a]
Ardium[33c]	Hive World[33c]	Ultima[33c]
Areadnnil[85m]	Exodite World[85m]	Ultima[85m]
Argentor[88a]	Knight World[88a]	Obscurus[88a]
Argonan[89]		Tempestus[89]
Argo Secundus[90]
Arimaspia[91f]	Industrial World[91f]	Obscurus[91f]	Orbited by the Chrysalis Shipyards[91f]
Ariyo			Dekradek System.	The Blood Angels Omnibus, Appendix Angelus, pg. 603
Ark Reach Secundus[30c]	Dead World, formerly Imperial[30c]
Arkadia[92]
Arkalli[93]			The industrial heart of a cluster of Imperial worlds at the limits of the Astronomican[93]
Arkhona[94]	Dead World[94]	Obscurus[94]	Location of the Eternal crusade[94]
Arkost[85t]	War World / Shrine World[85t]
Arkunasha[95a][96a]	Desert World / Xenos World[95a][96a]	Ultima[95a][96a]	Tau Empire colony[95a][96a]
Armageddon[97b]	Hive World[97b]	Solar[97b]
Armato[1g]	Adeptus Astartes Homeworld[1g]	Ultima[1g]	Home of Sons of Orar[1g]
Arminiun[37b]	Imperial World[37b]		Home of the Honus Squad[37b]
Artemia Majoris[14a][14b]	Forge World[14a][14b]	Pacificus[14a][14b]	Site of the Hieronymite Heresy[14a][14b]
Arthas[98]			Conquered by the forces of the Death Guard Chaos Lord Malek Vos and the Nurgle Daemon Prince, The Fly Lord.[98]
Arthas Moloch[96b][99]	Xenos World, Artefact World, Dead World[96b][99]	Ultima[96b][99]	Location where the Dawn Blade was found[96b][99]
Arthos[20a]
Avalus[100b]			Central world of the Lion's Protectorate.[100b]
Aryand	Hive World		Under Necron occupation	Codex: Necrons (5th Edition), pg. 25
Aryus Onc[8b]	Feudal World[8b]	Obscurus[8b]	Calixis Sector / Malfian Sub-sector[8b]
Arx[10b]	Research Station[10b]	Obscurus[10b]	Alternative route out of the Eye of Terror[10b]	Codex: Chaos (2nd Edition), pg. 48
Asgard	Feudal World		Founding world for the Asgardian Rangers	Third War For Armageddon - Imperial Forces: The Asgardian Rangers (saved archive page, dated 23 August 2003, last accessed 9 July 2024)
Ashek II[56c]	Hive World[56c]	Pacificus[56c]	Reconquered during the Sabbat Worlds Crusade.[56c]	Honour Guard (Novel) — The Saint (Omnibus), Chapter Eleven, pgs. 181–182
Ashen	Cemetery World	Obscurus	Calixis Sector / The Periphery / Spinward Front	Only War: Core Rulebook, pgs. 332-333
Asherkin				Crossfire (Novel), Chapter 5
Asinia	Shrine World	Ultima	Cirillo Sector, Golden Chain	The Martyr's Tomb (Novel), Appendix
Askelphion Secundus[8b]	Paradise World[8b]	Obscurus[8b]	Calixis Sector / Drusus Marches[8b]
Asklaphion				Codex Supplement: Ultramarines (8th Edition), pg. 26 - Annals of the Ultramarines
Asmasoria II				Codex: Orks (8th Edition), pg. 7 — The Barbarous Hordes
Asmordean V	War World			Kill Team: Elites, pg. 3
Aspen II[85h]	Civilised World[85h]	Ultima[85h]
Asphodel	Swamp World	Obscurus	Screaming Vortex / Kroot World	Black Crusade: The Tome of Blood, pgs 76-79 — Asphodel
Aspiria				Revelation (Short Story)
Asterion	Hive World	Obscurus	Calixis Sector / The Periphery / Spinward Front	Only War: Core Rulebook, pgs. 332-333
Asur	Xenos World		Site of the first Aspect Warrior Shrine, used to train the original Asurya.	Codex: Eldar (6th Edition), pg. 88
Atalia Minoris	War World			The Citadel Journal 49, pgs. 16–17Fanatic Press
Atari Vo	Ork World	Ultima	Former Tau Sept World	Codex: Tau Empire (6th Edition), pgs. 49–53; Planetstrike, pg. 55
Atelier-888		Obscurus		Lost Hope (Short Story)
Aten III[85h]	Industrial World[85h]	Obscurus[85h]
Ath-Ethon[85m]
Athanos[42i]		Tempestus[42i]
Athonos[85h][85j]	Civilised World / Tomb World (former)[85h][85j]	Tempestus[85h][85j]	Home to the Athonian Tunnel Rats Imperial Guard.[85h][85j]	Codex: Necrons (8th Edition), pg. 29
Atoma Prime	Hive World	Solar	Planetary capital of the Moebian Domain, produces Leman Russ Battle Tanks.	Warhammer 40,000: Darktide
Atraxian III[8a]		Obscurus[8a]	Calixis Sector[8a]
Attila[21c]	Feudal World[21c]	Ultima[21c]
Augura[1m]	Imperial World[1m]	Ultima[1m]	Formerly a T'au world[1m]
Augury	Daemon World	Obscurus	Calixis Sector / The Periphery / Spinward Front	Only War: Core Rulebook, pgs. 332-333
Aumet[42i]	Imperial World[42i]	Obscurus[42i]
Aurelia	Former Adeptus Astartes Homeworld	Ultima	Original Homeworld of the Blood Ravens, rendered inaccessible by Warp storms in M40 until M41	Warhammer 40,000: Dawn of War II - Chaos Rising; Warhammer 40,000: Dawn of War II - Retribution; White Dwarf July 2019 - Index Astartes: Blood Ravens
Auric[55d][55e]		Tempestus[55d][55e]
Aurorius				Blood Angels Painting Guide – Sons of Sanguinius, pg. 39
Australis Sunder				Against Entropy (Short Story) — The Vorbis Conspiracy (Anthology)
Au'taal[95b]	Tau Sept[95b]	Ultima[95b]		Codex: Tau Empire (6th Edition), pgs. 13, 89
Autega	Death World / Shrine World			Redemption Corps (Novel), Chapter 5, pg. 163
Avalon				Index Imperialis: Apocrypha, pg. 47
Avalorn				The Horus Heresy Book Three - Extermination, pg. 85
Avar III				Index Imperialis: Apocrypha, pg. 47
Avarax	Hive world	Pacificus	Invaded by Leviathan Splinter Fleet in M42.	Warhammer 40,000: Space Marine II
Avellorn	Civilised world	Obscurus	Askellon Sector	Dark Heresy Second Edition: Core Rulebook, pg. 322
Aventine	Civilised World	Solar	Invaded by the Iron Warriors during the Horus Heresy	Codex: Chaos (2nd Edition), pg. 48; Codex: Chaos Space Marines (8th Edition), pg. 31
Avignor	Cardinal World	Obscurus		Codex: Sisters of Battle (2nd Edition) [Help]
Avitohol[8b]	Xenos World/Agri-World[8b]	Obscurus[8b]	Calixis Sector, The Periphery. Disputed between Imperial and Ork[8b]
Azazen	Frontier World	Solar		Throne of Light (Novel), Chapter One
Azbaragus			Nurgle planet	White Dwarf 85 (2015) — Parade Ground - The Blighted, Cult of the Great Corrupter
Azoras				Sanctus (Novella) [Help]
B8400761[85s]	War World / Research Station / Artificial World[85s]	Ultima[85s]
Baal	Death World / Adeptus Astartes Homeworld	Ultima	Home of the Blood Angels.	Index Astartes II, pg. 35 — Blood Angels
Baalus Trine	Feral World		A recruiting world for the Angels Sanguine Chapter.	The Blood of Angels (Short Story)
Badab VII	Wreck Graveyard	Ultima		Imperial Armour Volume Ten - The Badab War - Part Two, pg. 41
Badab Primaris[2b]	Hive World / Adeptus Astartes Homeworld (former)[2b]	Ultima[2b]	Former home of the Astral Claws.[2b]
Badsquig[32f]	Feral World[32f]	Ultima[32f]	Octarius System[32f]
Baedros	Shrine World			Codex: Harlequins (8th Edition), pg. 29 — The Dance of Ages: Faolchú's Wrath
Baih'Rus	Colony World		Eastern Fringe	Lord of the Night (Novel), Epilogue
Bakka[21x]	Forge World / Segmentum Fortress[21x]	Tempestus[21x]	Segmentum Command for Segmentum Tempestus.[21x]	Battlefleet Gothic Magazine Issue 2, pgs. 31-33
Bakus III	Hive World			Imperial Armour Volume One - Second Edition: Imperial Guard, pg. 20
Balcarhsa[42j]		Ultima[42j]
Balecaster[8c]	Feudal World[8c]	Obscurus[8c]	Calixis Sector / Markayn Marches[8c]
Balhaut[56g]	Cemetery World[56g]	Pacificus[56g]
Balle Prime[14e]	War World[14e]	Pacificus[14e]
Balmoran				Assassinorum: Kingmaker (Novel), Chapter 13
Balor[32f]	Mining World/Ocean World[32f]	Ultima[32f]	Balor System[32f]
Balthasar			Conquered by the Luna Wolves during the Great Crusade.	Horus Rising (Novel), Part Two, Chapter Six
Balur[21x]	Imperial World[21x]
Bal'yth's Orb				Codex: Space Wolves (5th Edition), pg. 16
Balzac	Mining World	Obscurus		White Dwarf 287 (UK), pg. 40
Banish	Adeptus Astartes Homeworld	Obscurus	Home of the Exorcists.	Imperial Armour Volume Ten - The Badab War - Part Two, pg. 125
Banna[85h]	Civilised World[85h]	Solar[85h]
Bantor III				White Dwarf 112 (UK), pg. 43 - Predator
Baran	Exodite World		Now Imperial controlled.	Epic Swordwind, pgs. 58-59
Bararat	Xenos World (former)			Warhammer Siege, pg. 95 — Example Scenarios: Nothin' But a Houseparty
Baraspine[8b]	Hive World[8b]	Obscurus[8b]	Calixis Sector / Adrantis Nebula.[8b]
Barbarus	Destroyed — former Adeptus Astartes Homeworld / Feral World	Tempestus	Former home of the Death Guard	The Horus Heresy Book One - Betrayal, pgs. 290–291
Barbarus Prime	Dead World, formerly Mining World	Ultima		Warriors of Ultramar (Novel)
Baroda	Knight World	Obscurus	A Knight World of the Imperium during the Horus Heresy, home to the Renegade Knight Knight House Makabius. Current status unknown.	The Horus Heresy Book Four - Conquest, pgs. 106–113
Baryatin II		Pacificus		Legacy (Novel), Chapter 6
Bastion	Dead World			Forgotten Sons (Short Story)
Bastonbeil	Daemon World / Hive World (former) / Adeptus Astartes Recruiting World (former)	Ultima	Enslaved by the Company of the Shadow	Codex: Chaos Space Marines (4th Edition), pg. 41
Bast's World[42j]		Ultima[42j]
Bax III			Imperium Nihilus	Renegades: Lord of Excess (Novel), Chapter 2
Beati Sedna	Shrine World			Death Knell (Novella), Part One, Prologue
Behtle V				Warrior Coven (Novel) — Kill Squad: A Deathwatch Omnibus, Chapter 7, pg. 286
Bekrin	Dead World / Shrine World (former)	Ultima	Destroyed by Hive Fleet Dagon.	Deathwatch: First Founding, pg. 100
Belaeno	Jungle World			Warhammer 40,000: Chaos Gate — Target of Opportunity: Belaen
Belahaam[8c]	Forbidden World / Xenos World[8c]	Obscurus[8c]	Calixis Sector / Hazeroth Sub-Sector[8c]
Belasia	Civilised World		Ravaged by a civil war and Dark Eldar raids.	Blood Gorgons, Chapter 1
Belatis IV	Shrine World / Ice World			Imperial Armour Volume Two - Second Edition: War Machines of the Adeptus Astartes, pg. 20
Belecane[8c]	Forge World[8c]	Obscurus[8c]	Calixis Sector / Markayn Marches[8c]
Belial	Hive World / Industrial World			Angel of Fire (Novel)
Belial IV	Crone World	Obscurus		Codex: Eye of Terror (3rd Edition), pgs. 24-25
Belis Corona	Dead World	Obscurus	Segmentum Obscurus Naval Base	Codex: Eye of Terror (3rd Edition), pg. 25
Bellicas[1g][1n]	Adeptus Astartes Homeworld (former), Tomb World[1g][1n]	Ultima [1g][1n]	Home of the Emperor's Swords, wiped out by Necrons, purged by the Fire Lords[1g][1n]
Belphago	Dead World		Home to pre-human ruins	Imperial Armour Volume Ten - The Badab War - Part Two, pg. 126
Beneficia	Shrine World	Ultima	Cirillo Sector, Golden Chain	The Martyr's Tomb (Novel), Appendix
Berien VI	Dead World	Ultima	Eastern Fringe	Gorkamorka: Da Uvver Book, pg. 104
Berin	Desert World	Obscurus	Screaming Vortex / Ork World	Black Crusade: The Tome of Blood, pg. 80-84 – Berin
Beroghast	Ice World			White Dwarf 376 (UK), pg.25 – Assault on Beroghast
Beshic V	Forge World			Cadian Blood (Novel), Chapter VIII
Besos Nine				Lost Hope (Short Story)
Beta-Entebes III				The Horus Heresy Book Five - Tempest, pg. 200
Beta-Garmon II	Industrial World / Fortress World	Solar	Beta-Garmon Star Cluster	Adeptus Titanicus: Titandeath, pgs. 8–10; Titandeath (Novel), Chapters 24–33
Beta-Garmon III	Hive World	Solar	Beta-Garmon Star Cluster	Adeptus Titanicus: Titandeath, pgs. 8–10; Titandeath (Novel), Chapters 24–33
Beta Fortanis[81a]	Dead World[81a]		Destroyed by Tyranids.[81a]
Betalis III	Ice World / Mining World	Solar	Invaded by Eldar forces in 894.M41	Imperial Armour Volume Eleven - The Doom of Mymeara
Betalis IV	Imperial World	Solar		Imperial Armour Volume Eleven - The Doom of Mymeara
Betel Nineteen				Master of Sanctity (Novel), Part 3 - Old Wounds
Bethelius	War World / Cardinal World			Codex: Adeptus Custodes (9th Edition), pg. 45 - The Splendour of Holy Terra
Biegel 9	Jungle World / Research Station / Tomb World (hypothesized)			Xenology (Background Book), pg. 4
Bifrost	Imperial World			The Thirteenth Black Crusade (Background Book), p. 91
Bilani[8b]	Agri World[8b]	Obscurus[8b]	Calixis Sector / Malfian Sub-sector[8b]
Birmingham[85h][85e]	Adeptus Astartes Homeworld / Feral World[85h][85e]	Tempestus[85h][85e]	Also known as the Black Planet; home of the Harbingers.[85h][85e]
Black Lake[41e]	Agri World[41e]
Black Reach[1k]	Hive World[1k]	Ultima[1k]
Blackwater	Feral World / Adeptus Astartes Recruiting World	Ultima	Recruitment ground for the Crimson Fists	Deathwatch: Honour the Chapter, pg. 59
Bleakfrost	War World	Ultima	Site of a battle between Orks and the forces of the Imperium.	Codex: Space Marines (7th Edition) — The Chronicles of Heroes - The Adamantine Line
Bleys				Master of Mankind (Novel), ch. 5
Blitzen			Home world of the Blitzen Armoured regiments of the Imperial Guard.	Imperial Armour - Imperial Vehicles for Warhammer 40,000, pg. 38
Blohtt	Scriptorum World	Pacificus		Leviathan (Box) Rulebook, pg. 245
Bloodfall[58h]	Dead World / Adeptus Astartes Homeworld(former)[58h]	Solar[58h]	Home of the Red Wolves, destroyed by a splinter of Hive Fleet Leviathan[58h]
Blossak				War Zone Damocles: Mont'ka — Task Force Retribution Organisation
Boab	Ice World	Obscurus		Ravenwing (Comic) - Flames of Damnation (Comic Anthology)
Boe-Phe				Scars (Novel), Chapter 1
Boonhaven[85c]	Agri World / War World[85c]	Pacificus[85c]	Currently under attack by Waaagh! Gragnatz[85c]
Bora Culpa	Dead World			Battlefleet Gothic: Armada (Book), pgs. 76-77
Boreal V	Dead World			Blood of Asaheim (Novel), Chapter Ten
Bork[4]	Ork World[4] / Industrial World (former)[4] / Frontier World (former)[4]	Eastern Fringe[4]	Named Bhorc Prime before the Ork Warboss Klawjaw united the Orks on the planet to conquer it.[4]
Bork'an[95b][95d]	Tau Sept[95b][95d]	Ultima[95b][95d]	Educational, industrial, and manufacturing hub[95b][95d]
Boros		Ultima	Was invaded by the Ork Empire of Charadon but defended by the Ultramarines.	Imperial Armour Volume Two (Second Edition), pg. 22
Boros Prime	Fortress World	Obscurus	Site of the Siege of Boros Gate.	Dark Creed (Novel), ch. 2
Borvax V	War World / Mining World			Index Imperialis: Apocrypha, pg. 42
Bosphori Agemnus				White Dwarf November 2019, pg. 50
Bosphori Deo			Attacked by Thousand Sons.	White Dwarf November 2019, pg. 50
Bosphori Praxmial				White Dwarf November 2019, pg. 50
Boucherin[85h]	Hive World[85h]	Ultima[85h]
Bradur IV	War World / Mining World			Codex: Adepta Sororitas (9th Edition), pg. 46
Brannik	War World / Shrine World			Conquest 64, Space Marines: Drop Pods
Bray	Imperial World	Obscurus		Codex: Chaos (2nd Edition), pg. 48
Brendine II	Dead World		Destroyed by the forces of the Slaaneshi worshiper Kallow the Tame.	Black Crusade: The Tome of Excess, pg. 77
Branx Magna	Industrial World	Solar	Highly productive Industrial world within the Moebian Domain.	Warhammer 40,000: Darktide - Character Creation - Home World: Branx Magna
Bren's World[42x]	Imperial World[42x]	Obscurus[42x]
Brettaria[50]
Brezal III				Deathwatch: Honour the Chapter, pg. 139
Brigannion Four	Fortress World	Obscurus	Held by the Iron Warriors, nicknamed the Planet of Steel	Codex: Chaos Space Marines (4th Edition), pg. 23
Brimlock	Civilised World		Home to the Brimlock Dragoons Imperial Guard.	Imperial Armour Volume Three - The Taros Campaign, Chapter 3
Britan	Imperial World			The Thirteenth Black Crusade (Background Book), Appendix, pg. 91
Brobdigal[33b]	Death World[33b]
Bront[8c]	Hive World[8c]	Obscurus[8c]	Calixis Sector / Golgenna Reach[8c]
Brun	Ocean World			Dawn of War: Dark Crusade: Fury Island (Map Description)
Brycantia[1g]	Adeptus Astartes Homeworld[1g]	Obscurus[1g]	Home of the Iron Knights.[1g]
Buarain[32f]	Industrial World[32f]	Ultima[32f]	Balor System[32f]
Bubonicus	Daemon World	Obscurus	Eye of Terror. Ruled over by Bubonicus, Daemon Prince of Nurgle	Realm of Chaos: The Lost and the Damned (1990), pg. 164
Bulwark	Daemon World	Ultima	Hadex Anomaly. Ruled over by the Khorne Daemon Prince Krakiota.	Deathwatch: The Achilus Assault, pgs. 87–88
Burjan's World	Fortress World		Ruled by the Iron Warriors.	The Masters, Bidding (Short Story)
Byssta	Death World			Redemption Corps (Novel), Chapter Six, Part I
Cadamine[58g]	War World / Forge World[58g]
Cagalian IX	Mining World	Obscurus	Overtaken by the Cult of the Rusted Claw Genestealer Cult	White Dwarf October 2016, pg. 82
Cadia[67c][67f]	Dead World / Fortress World (former) / Civilised World (former)[67c][67f]	Obscurus[67c][67f]	Blocks the Cadian Gate, home to the Cadian Shock Troopers Imperial Guard.[67c][67f]	Gathering Storm: Fall of Cadia, Chapter 3
Cadmus Phosp[6b]
Caer Malafori				Fire Warrior (Novel), pg. 179
Caerthorn				Master of Sanctity (Novel), Part 3 - Old Wounds
Cahim II	Forge World			White Dwarf August 2019 - Battle Report: The Siege of Cahim II, pgs. 74, 88
Cairn[68e]		Ultima[68e]	Nostramo Sector. Destroyed 012.M31[68e]
Calaco				Index Imperialis: Apocrypha, pg. 9
Calderia[85h]	Civilised World[85h]	Tempestus[85h]
Calderis	Feudal World / Desert World / Adeptus Astartes Recruiting World	Ultima	Recruiting ground for the Blood Ravens	Rogue Trader Core Rulebook, pg. 305
Caldrin				Tallarn: Witness (Short Story)
Caliban	Destroyed — former Adeptus Astartes Homeworld / Death World	Obscurus	Former home of the Dark Angels.	Angels of Caliban (Novel), Chapters 6–7; Luther: First of the Fallen (Novel) - The Tale of the Beast
Calidan			Eastern Fringe	Predator & Prey (Comic) - Flames of Damnation (Comic Anthology)
Calistra[8c]	Frontier World[8c]	Obscurus[8c]	Calixis Sector, Markayn Marches[8c]
Calth	Civilised World	Ultima	One of the nine worlds of Ultramar.	Codex: Space Marines (8th Edition), pg. 25
Calysto Platinum		Solar		Apocalypse: War Zone Damnos, pg. 66
Camarth[100a]
Camgia[49e]	Xenos World[49e]		Homeworld of the Zygo.[49e]
Canak[10b]	Death World[10b]
Canau				Codex: Blood Angels (8th Edition), pg. 26 — Commander Dante
Candau	Dead World, former Agri World	Ultima		Deathwatch: Honour the Chapter, pg. 125
Canoptary Prime	Cardinal World			Master of Sanctity (Novel), Part 1 - Retribution
Canoptis II	War World			Codex: Astra Militarum (8th Edition), pg. 33 — Heroes Beyond Measure: Call of the Forge
Canopus[8c]	Hive World[8c]	Obscurus[8c]	Calixis Sector / Josian Reach[8c]
Cano'var	Tomb World	Ultima	Formerly a Tau Sept.	Codex: Necrons (5th Edition) pg. 25
Canta IX[85h]	Industrial World[85h]	Ultima[85h]
Canthicus Majoris		Solar		White Dwarf 96 (2015), Parade Ground: Extermination Clade I-X Aephus, Kataphron Breachers
Catrangras	Desert World			Codex: T'au Empire (8th Edition), pg. 34 — Armies of the Expanding Empire
Cantus[8c]	Hive World[8c]	Obscurus[8c]	Calixis Sector / Markayn Marches[8c]
Carandinis VII		Obscurus	Had billions of its population turned into Plaguebearers by Typhus.	Warlords of the Dark Millennium: Typhus, pg. 8
Carcharias	Ice World / Hive World / Adeptus Astartes Homeworld	Ultima	Homeworld of the Crimson Consuls Chapter.	The Long Games at Carcharias (Short Story)
Cardrim	Tomb World (former) / Imperial World	Ultima	Site of the Battle of Cardrim	White Dwarf 389 (UK), pgs. 30–39
Carlos McConnell[49l]	Imperial World[49l]		Home to Felinid Abhumans.[49l]
Carnac	Exodite World (former) / Tomb World		Site of the Carnac Campaign	Codex: Necrons (5th Edition), pg. 27
Carpathia	Labyrinth World / War World	Tempestus		Codex: Tyranids (5th Edition), pgs. 28–30; Tyranids Collectors' Guide, pg. 5
Carrion Deep	Necron Tomb World / Dead World / Quarantined World	Tempestus	Under Imperial quarantine.	Imperial Armour Volume Ten - The Badab War - Part Two, pgs. 88–89
Cartis IX[64b]
Caruana-W				Blind (Novel), Chapter 5
Casiorix	Forge World			Ravenwing (Novel), ch. 2 - A Cursed Name
Cassell	Agri World		Site of the Six Hour Revolution.	White Dwarf 287 (UK), pg. 25
Castigon Prime				White Dwarf 384 (UK), pg. 60
Castix VIII			Was infected by a warp virus by the Death Guard Sorcerer Porphyricus.	White Dwarf 72 (2015) — Parade Ground
Catachan[21x]	Death World / Jungle World[21x]	Ultima[21x]	Founding world of the Catachan Jungle Fighters[21x]	Codex: Catachan (3rd Edition)
Cavolotus V				Know No Fear (Novel), Absolute//Overwhelm, Chapter 1
Ceibhal	Adeptus Astartes Homeworld			Psychic Awakening: The Stand of the Sabre (Short Story) (saved archive page, 30 July 2025, last accessed 12 November 2025)
Celetradia	Shrine World			Codex Supplement: Angels of Death — Strike Forces: Famous Strike Forces
Celthenn[32f]	Fortress World[32f]	Ultima[32f]	Balor System[32f]
Celthenn[32f]	Fortress World[32f]	Ultima[32f]	Bane's Landing[32f]
Ceocan	Agri World	Tempestus		The Oubliette (Novel), pg. 7
Ceoris Ultra		Ultima	Loki Sector / Ceoris System.	None More Loyal (Short Story)
Ceres XIV[58d]	Dead World[58d]		Destroyed by Hive Fleet Kraken during the Second Tyrannic War[58d]
Cesstium[49b]	Death World[49b]
Chaemos[42i]		Tempestus[42i]		White Dwarf 286 (UK), pg. 27
Chalimnus V				Codex: Chaos Space Marines (8th Edition) updated, pg. 98 — Scions of Chaos
Chandrax II	Tomb World		Former world of the Imperium, now a Necron Tomb World.	Munitorum: Quake Cannon (Background Book), pg. 3
Chandry	Mining World			Codex: Adepta Sororitas (8th Edition) — Wars of Faith
Chaoku-Minor				Blind (Novel), Chapter 7
Charadon	Ork World	Ultima	Capital of the Ork Empire of Charadon.	Codex: Orks (4th Edition), pg. 23; White Dwarf 94 (UK), pgs. 56–57
Chariban Worlds[33a]	Agri World[33a]
Charo[24]
Chaspia				Redemption Corps (Novel), Chapter 2, pg. 57
Chattackta				The Lords of Silence (Novel), Chapter 11
Chemos	Destroyed — former Adeptus Astartes Homeworld	Ultima	Former home of the Emperor's Children.	Index Astartes I, Children of the Emperor, pgs. 26-27
Chevreuse	Shrine World			Lords of the Storm (Novella), Back cover
Chianco	Feral World / Civilised World (former) / Mining World (former)	Ultima	Known as the World that Died in One Night.	Index Chaotica: Apocrypha, pg. 38
Chigand	Cardinal World	Pacificus		Legacy (Novel), Chapter 5
Chiros	Agri World	Pacificus	Original homeworld of Rogue Trader Jan van Yastobaal	White Dwarf 262 (UK), pg. 101
Choidenmirn	Maiden World		Claimed by Ulthwé.	Throneworld (Novel), Chapter 6
Chordelis	Dead World / Civilised World (former)	Ultima	Subjected to Exterminatus by Inquisitor Lord Fidus Kryptman	Warriors of Ultramar (Novel)
Chosin[97c]	Ice World[97c]	Solar[97c]	Infested with Orks.[97c]
Chroma[32e]	Death World[32e]	Obscurus[32e]	Prismata System[32e]
Cinchare	Mining World	Obscurus	Orbits a rogue star in the Halo Zone	Malleus (Novel)
Cindar[8b]	Mining World[8b]	Obscurus[8b]	Calixis Sector, Malfian Sub-sector[8b]
Cinderus XI	Mining World		Crystals from this world have peculiar properties, making them useful in the construction of Volcano Cannons.	Munitorum - Volcano Cannon, pg. 2
Circe[1i]	Gas Giant[1i]	Ultima[1i]	Part of Ultramar[1i]
Clanar II				White Dwarf 260 (UK) pg. 70
Clax		Ultima	Lost to the Warp since M36	Codex: Sisters of Battle (2nd Edition): The Age of Apostasy, pg. 12
Clove[8c]	Hive World[8c]	Obscurus[8c]	Calixis Sector, Hazeroth Sub-Sector[8c]
Cloister[8c]	Frontier World[8c]	Obscurus[8c]	Calixis Sector / Hazeroth Sub-Sector[8c]
Cochise				Index Imperialis: Apocrypha, pg. 47
Cocholos	Tomb World / Dead World	Ultima	Originally Necron, occupied by the Imperium, devastated by Daemon Prince Beublghor	Codex: Chaos Daemons (6th Edition), pg. 36; Codex: Necrons (8th Edition), pg. 12
Cociaminus[56f]		Pacificus[56f]	Sabbat Worlds; heavily contested during the Sabbat Worlds Crusade.[56f]
Coellow Quintus				Blind (Novel), Chapter 13
Colcha	Agri World	Pacificus		Codex: Sisters of Battle (2nd Edition), pg. 41
Colchis	Destroyed — former Adeptus Astartes Homeworld	Pacificus	Former home of the Word Bearers.	Index Astartes IV — Word Bearers; The Horus Heresy Book One - Betrayal, inside cover map
Colony Beta/54[86a]
Connat's Guard[41e]
Conovar		Obscurus[52x]	Site where the Chaos Space Marine Zarghan Ironfist launched an ambush that destroyed a fleet convoy of the Rogue Trader Janus Darke.[52x]
Constantinium[85d][85k]	Civilised World[85d][85k]	Pacificus[85d][85k]	Also known as Nova Terra[85d][85k]	Codex: Chaos Space Marines (4th Edition), pgs. 18–19
Coralax	Adeptus Astartes Homeworld	"Beyond Imperial boundaries"	Home of the Knights of the Raven.	Codex: Space Marines (7th Edition); Codex: Space Marines (7th Edition), pg. 15
Cordassa			Pyrus Reach Sector	The Falls of Marakross (Short Story)
Coriallis IV	War World			Warhammer 40,000 4th Edition Rulebook, pg. 143
Corinal[66c]	Adeptus Astartes Homeworld[66c]		Homeworld of the Angels Vermillion.[66c]
Corodon IV				The Labyrinth (Short Story)
Corolis				Blood Rite (Novel), ch. 1
Coronis Agathon[85h]	Hive World/Fortress World[85h]	Obscurus[85h]	Center of the Agathean Domain[85h]	The Horus Heresy Book Four - Conquest, pgs. 53–63
Corossa[69b]
Corphyra				The Horus Heresy Book Five - Tempest, pg. 112
Coseflame[8c]	Feudal World[8c]	Obscurus[8c]	Calixis Sector, Adrantis Nebula[8c]
Cousteau XI[2g]	Dead World, formerly Adeptus Astartes Homeworld and Feudal World[2g]	Obscurus[2g]	Former home of the Fire Hawks.[2g]	Codex: Space Marines (7th Edition), pg. 15
Crake's World	Death World			Redemption Corps (Novel), Chapter Six, Part
Crassia II		Segmentum Obscurus	Eye of Terror	Codex: Dark Angels (8th Edition), pg. 48 — Belial
Crenax IV[85g]		Ultima[85g]
Cressida	Dead World, formerly Ice World		Destroyed by Exterminatus.	Ice Guard (Novel)
Cretacia	Adeptus Astartes Homeworld / Death World / Jungle World	Tempestus	Home of the Flesh Tearers.	White Dwarf July 2019, pg. 46
Croatoa[49b][85b]	Death World[49b][85b]	Obscurus[49b][85b]
Crone B9				Traitor Rock (Novel), Chapter 1
Crowe's World[52a]			Near the Draconic Arm[52a]
Crows World[2d][68d]	Civilised World[2d][68d]	Ultima[2d][68d]	Recruiting World for the Raven Guard during the Great Crusade[2d][68d]
Crucis	Shrine World	Solar	Large Shrine World and 'second world' of the Moebian Domain.	Warhammer 40,000: Darktide - Character Creation - Home World: Crucis
Crux[85c]	Capital World / War World[85c]	Pacificus[85c]	Under attack by Waaagh! Gragnatz[85c]
Cryptosa II				Death From the Skies (7th Edition) — Daemon Engines of Chaos
[[Cryptus (World)|Cryptus][8b]]	Cemetery World[8b]	Obscurus[8b]	Calixis Sector, Drusus Marches[8b]
Cthartek	Hive World			Codex: Chaos Daemons (9th Edition), pg. 12 — Khorne
Cthonia	Destroyed — former Adeptus Astartes Homeworld / Mining World	Solar	Former home of the Luna Wolves.	The Horus Heresy Book Eight - Malevolence, pgs. 138-139; Index Astartes IV
Culchare	Dead World		Destroyed during the Horus Heresy.	Signal to Noise (Short Story)
Cullrak[39b]			Site of a victorious battle for the Aeldari of Craftworld Mymeara against a Daemonic incursion in 232.M41.[39b]
Curwen[17b]	Agri World[17b]		Site of a Nurglite invasion in M41[17b]
Cuyavale	Feral World	Obscurus	Calixis Sector / The Periphery / Spinward Front	Only War: Enemies of the Imperium, pg. 14
Cybele	Cemetery World	Ultima		Deus Encarmine (Novel), ch. 1; The Blood Angels Omnibus - Appendix Angelus
Cyclonis			Conquered by the Emperor during the Great Crusade.	Horus Rising (Novel), Part Two, Chapter Six
Cyclopea	Forge World	Obscurus	Calixis Sector / The Periphery / Spinward Front	Only War: Core Rulebook, pgs. 332-333
Cyclopean Prime[49b]	Hive World[49b]
Cypra Mundi	Forge World / Segmentum Fortress	Obscurus	Segmentum Command for Segmentum Obscurus.	Forces of the Imperial Inquisition Collectors' Guide, pg. 4; The Horus Heresy Book Five - Tempest, pg. 73
Cyprian's Gate[8c]	Paradise World[8c]	Obscurus[8c]	Calixis Sector, Hazeroth Sub-Sector[8c]
Cyrene	Civilised World (former) / Dead World	Ultima	Former Blood Ravens recruiting world.	White Dwarf 305 (UK), pg. 85
Cyrillion	Tomb World (former)			Codex: Dark Angels (9th Edition), pg. 55 - Crusade Rules
Cyris[42i][42k]		Obscurus[42i][42k]
Cyrus Vulpa[8b]	Agri World[8b]	Obscurus[8b]	Calixis Sector, Drusus Marches.[8b]
Cystan				Index Astartes: Company Champions, pg. 15
Cytheria[85o]	Xenos World / Jungle World[85o]	Ultima[85o]	Captured from the Imperium by the T'au Empire[85o]
Dabenlar IV				White Dwarf 177 (UK), pgs. 48, 67–68
Daedallos[6a]		Ultima[6a]
Daemos III				Imperial Knight Companion, pg. 59
Dakaram	Death World			The Martyr's Tomb (Novel), ch. 1
D'akhar	Death World / Desert World / Industrial World			Codex: Blood Angels (8th Edition), pg. 20 — A Chronicle of Heroes: Blood on the Sand
Dakidda[32e]	Fortress World[32e]	Obscurus[32e]	Dhobash System[32e]
Dakkazot[32f]	Ork War World[32f]	Ultima[32f]	Octarius System[32f]
Dalos Prime				Imperial Armour Volume Eleven - Second Edition: The Doom of Mymeara, pg. 75
Dalthus[8c]	Mining World[8c]	Obscurus[8c]	Calixis Sector / Hazeroth Sub-Sector[8c]
Dal'yth	T'au Sept	Ultima	Established M38	Codex: Tau Empire (6th Edition), pgs. 28, 15; Codex: Tau Empire (7th Edition), pgs. 17-18, 57
Dal'yth Tertius		Ultima		Orphans of the Kraken (Short Story)
Damnia	Death World / Adeptus Astartes Recruiting World		Recruiting world for the Angels of Vengeance Chapter.	Dataslate: Cypher - Lord of the Fallen, pg. 36
Damnos[85p]	Tomb World / Dead World / Mining World (former)[85p]	Ultima[85p]	Site of the Fall of Damnos.[85p]	Codex: Space Marines (9th Edition), pg.58
Danik's World	War World / Ice World formerly an Agri World	Ultima	Fought over by rebel PDF, the Vostroyan Firstborn Twelfth Army, and a host of the Venomhead Ork Clan	Rebel Winter (Novel), ch. 1
Dank IV				Deathworlder (Novel), Chapter 6
Dantium[81f]
Dantris III	Forge World	Ultima		Imperial Armour Volume Four - The Anphelion Project; Inquisitor Rulebook
Darcia	Imperial World			Barathrum (Short Story)
Darendara	Imperial World			First and Only (Novel) — The Founding (Omnibus), A Memory: Darendara, Twenty Years Earlier, pgs. 37-43
Darania				The Colonel's Monograph (Novella)
Darillia			Imperial world.	The Thirteenth Black Crusade (Background Book), pg. 91
Darios		Tempestus		Psychic Awakening: Engine War, pg. 4 - The Tide of Power
Darjun				Codex: Adeptus Custodes (9th Edition), pg. 22 - Trajann Valoris
Darkenhel	Imperial World			Codex: Dark Angels (7th Edition) — In the Name of Absolution
Darkhold	Adeptus Astartes Homeworld	Obscurus	Home of the Dark Sons.	Codex: Space Marines (8th Edition), pgs. 16-17
Darvash				Harlequin (Novel), Seven
Davin	Dead World / Feral World (formerly)	Ultima	Location of Horus's fall to Chaos.	False Gods (Novel), pgs. 36–37, 60, 214
Dawn[32e]	Agri World[32e]	Obscurus[32e]	Mordian System[32e]
Debari	Maiden World		Claimed by Craftworld Ulthwe	Throneworld (Novel), Chapter 6
Decaballus V[2x]	Frontier World[2x]	Ultima[2x]	Imperial World[2x]
Decimius			Pyrus Reach Sector	The Gathering Storm (Short Story) (saved archive page, dated 29 January 2007, last accessed 9 July 2024)
Dekhorra VI[88b]	War World[88b]
Delaphina	Hive World			Blood Gorgons (Novel), ch. 5
Dellerax			Site of a war between Cadians and Saim-Hann Aeldari.	White Dwarf 366 (UK), pg. 62
Delpha II	War World / Industrial World / Mining World			Codex: Genestealer Cults (9th Edition), pg. 42 — The Faithful Throng
Delphenia[85a]	Agri World[85a]
Delta Arbuthnot	Agri World		A Psyker-induced rebellion was put down with the help of the White Scars Chapter.	Hunt for Voldorius (Novel), Chapter 12
Delta Khomeini V	Gas Giant			Warped Stars (Short Story)
Delta Tao	War World	Ultima	Invaded by Hive Fleet Kraken	Codex: Tyranids (2nd Edition), pgs. 37, 59
Deluge	Death World	Obscurus	Calixis Sector / The Periphery / Spinward Front	Only War: Core Rulebook, pg. 320
Deniadol	Dead World / Maiden World (former)		Consumed by Tyranids	Path of Grief (Short Story)
Denkari Minor[14f]	Death World[14f]
Dennar IV[2k]	Agri World, Adeptus Astartes Recruiting World[2k]		Howling Griffons Chapter Recruiting World[2k]
Depler's Hope[74b]	Merchant World[74b]		Imperium Nihilus[74b]
Derdoni[42g]	Hive World[42g]
Derwynia	Death World			Conquest of Armageddon (Novel), pg. 121
Desperation		Ultima		Only War: Core Rulebook, pg. 321
Desolatia IV	Mining World			Fight or Flight (Short Story)
Deucalia				The Battle of Tyrok Fields (Short Story)
Devlan	Mining World	Ultima		Codex: Tau (3rd Edition), pg. 8; Codex: Tyranids (5th Edition), pgs. 22, 37
Dh'artan	Sept World		Eastern Fringe	Codex: Chaos Daemons (8th Edition), pg. 53 — Rotigus
Dheneb	Ice World	Obscurus	Chaos-held world near the Eye of Terror	Warhammer 40,000: Chaos Gate — Target of Opportunity: Dheneb
Dhol VI	Tomb World	Ultima	Crownworld of the Necron Novokh Dynasty.	Codex: Necrons (7th Edition) — The Awakening Empire
Dhorthan[32a]	Hive World[32a]		Dorthian System[32a]
Diesos	Hell Forge		Controlled by the Dark Mechanicum.	Codex: Chaos Daemons (6th Edition), pg. 23
Dimmamar	Cardinal World	Obscurus	Birthplace of Sebastian Thor and the Confederation of Light	Codex: Sisters of Battle (5th Edition), pg. 93
Dirge			Hammurat System	Gate of Souls (Short Story)
Dolgan IV				Index Imperialis: Apocrypha, pg. 47
Dolsene[36]		Obscurus[36]	Scarus Sector, Ophidian Subsector[36]
Dolsia	Imperial World			Codex: Sisters of Battle (2nd Edition), pg. 41
Donaka				War Zone Damocles: Kauyon, pg. 78
Don-Croix	Hive World	Ultima		Crossfire (Novel), Chapter 2
Dorian Prime[79a]			Lost to the Warp[79a]
Dorrholtz	Penal World			Seventh Retribution (Novel), pgs. 111–112
Dorvastor	Cardinal World			Fanatic Online 31 — Swords of the Unfaithful
Doton	Dead World	Ultima		Gorkamorka: Da Uvver Book, pg. 104
Drachu	Hive World	Tempestus		Inquisitor Annual 2002, pg. 57
Draconith[1g]	Adeptus Astartes Homeworld[1g]	Obscurus[1g]	Home of the Star Dragons.[1g]
Drade-73		Ultima		Crossfire (Novel), Chapter 2
Drakaasi	Daemon World	Obscurus	Eye of Terror. Devoted to Khorne	Hammer of Daemons (Novel)
Drakus Prime[32c]
Dranno IV				The Horus Heresy Book Five - Tempest, pg. 200
Draven	Tomb World	Ultima	Belongs to the Necron Novokh Dynasty	Codex: Necrons (7th Edition) — The Awakening Empire
Drazak	Tomb World	Northeast of Ultima	Ruled over by the Necron Lord Valgul.	Codex: Necrons (5th Edition), pg. 15; Codex: Necrons (9th Edition), pg. 19
Dreah[8c]	Agri World[8c]	Obscurus[8c]	Calixis Sector / Markayn Marches[8c]
Dreer[85h]	Feral World[85h]	Ultima[85h]
Dreska[42i][42j]		Tempestus[42i][42j]
Drex				Divine Will (Short Story)
Drisinta[85h]	Civilised World[85h]	Ultima[85h]
Drondii[42i]		Solar[42i]
Drook VI[41d]		Obscurus[41d]	Home to the Drookian Fen Guard Imperial Guard.[41d]
Drusus/Sentinel[8b]	Shrine World[8b]	Obscurus[8b]	Calixis Sector, Drusus Marches[8b]
Duala[31a]	War World[31a]	Ultima[31a]	Close to the Damocles Gulf[31a]
Dulan	Fortress World / Industrial World		Conquered by the Space Wolves and Dark Angels during the Great Crusade.	Deathwatch: Core Rulebook, pg. 49; Codex: Space Wolves (5th Edition), pg. 91
Dunan				Rebel Winter (Novel), Chapter 4
Dune	Special	Obscurus	Calixis Sector / The Periphery / Spinward Front	Only War: Core Rulebook, pgs. 332-333
Dunen II	Dead World	Ultima		Gorkamorka: Da Uvver Book, pg. 104
Dunroamin VI	Mining World	Ultima		Codex: Assassins (3rd Edition), pg. 3
Durant III				Codex: Astra Militarum (8th Edition), pg. 14 — Deployed for War
Durmian VII				Signal to Noise (Short Story)
Dusk[8b]	Feral World[8b]	Obscurus[8b]	Calixis Sector / Malfian Sub-sector[8b]
Duthovan[68a]	Ocean World[68a]		Recruitment world for the Dark Angels Legion during the Great Crusade.[68a]	Eye of Terror (Novel), Chapter 13
Dwimlicht[8c]	Feral World[8c]	Obscurus[8c]	Calixis Sector, Hazeroth Sub-Sector[8c]
D'yanoi	Tau Sept	Ultima		Codex: Tau (3rd Edition), pg. 64; Codex: Tau Empire (7th Edition), The Sept Worlds
Dykastra[52a]		Obscurus[52a]
Dynak	Death World			Imperial Knight Companion, pg. 35
Dynax-Abultra[75b]	Forge World[75b]		Close to the Ullanor System[75b]
Dynax Primus[64a]	Forge World[64a]
Dynostix V	Forge World			Codex: Orks (8th Edition), pg. 69 — Ghazghkull Thraka
Ebrimund				Villainy & Infamy (saved archive page, dated 5 July 2006, last accessed 9 July 2024)
Ecovoria	Forge World			Codex: Genestealer Cults (7th Edition) — The Hidden Dynasties
Ectosa[85g]		Segmentum Obscurus[85g]
Eden Prime	Agri World (former)		Destroyed late M41	Codex: Necrons (5th Edition), pg. 24
Eidolon	Daemon World	Obscurus	Eye of Terror. Divided in four empires, each vying for supremacy in the name of its Chaos God	Bloodquest II: Into the Eye of Terror, Episode Three
Eilixo				Scars (Novel), Chapter 5
Eireius	Death World / Jungle World			White Dwarf July 2019, pg. 46
Eirene Septimus	Death World / Mining World			The Seventh Serpent (Novella), Chapter Seven
Eisenfel	War World			Codex: Orks (8th Edition), pg. 31 — The Green Tide: Da Green Fist
Ekklestis	Industrial World			Codex: Adeptus Custodes (9th Edition), pg. 78 - Magisterium Lex Ultima
Elania[74b]			Imperium Nihilus.[74b]
Elara Prime				The Emperor's Will (Short Story)
Elboryth	War World			Warhammer 40,000: Kill Team Core Manual (2nd Edition), pg. 12 — Theatres of War
Eldritch[1f]	Dead world[1f]	Ultima[1f]	Subjected to Exterminatus.[1f]
Elipax				Blood of Iax (Novel), Chapter 12
Elnath	Jungle World			Warhammer 40,000: Chaos Gate — Target of Opportunity: Elnath
Elros[8c]	Feudal World[8c]	Obscurus[8c]	Calixis Sector, Hazeroth Sub-Sector[8c]
Elsy'eir	Tau Sept	Ultima	Settled during the Second Sphere of Expansion	War Zone Damocles: Kauyon, pg. 119; Codex: Tau Empire (7th Edition), The Sept Worlds
Eluadhri	Maiden World			Voidscarred (Novel), pg. 5
Elusia Prime[1g][85g]	Artificial World / Adeptus Astartes Homeworld[1g][85g]	Ultima[1g][85g]	Home of the Doom Legion.[1g][85g]
Elysia[42e]	Civilised World[42e]	Solar[42e]	Founding world of the Elysian Drop Troops[42e]
Elysiar	Civilised World	Obscurus	The fourth planet of Modren's Realm.	Rogue Trader: Twilight Crusade, pgs. 34–35
Elysium				Fate's Masters, Destiny's Servants (Short Story)
Emcor			Eastern Fringe	Relentless (Novel), Three
Emele[85c]	Maiden World / Quarantined World[85c]	Pacificus[85c]	Currently under attack by Waaagh! Gragnatz[85c]
Emiline's Hope	Shrine World		Harbours the bones of Saint Emiline	White Dwarf 269, pg. 12
Empesal[7e]
Endrite[8b]	Feral World[8b]	Obscurus[8b]	Calixis Sector, Drusus Marches[8b]
Endymion Prime	Death World			Redemption Corps, Chapter Six, Part I
Enkidu	Feral world	Obscurus	Askellon Sector	Dark Heresy Second Edition: Core Rulebook, pg. 322
Entessian				White Dwarf 112 (UK), pg. 71 - Adeptus Titanicus: Conqueror! - Robots in Adeptus Titanicus
Eorak				Warhammer Siege, pg. 95 - Example Scenarios: Orkoid Attack
Eorcshia[58f]	Dead World[58f]
Ephaeda		Ultima		Crossfire (Novel), Chapter 2
Ephalia				Last Step Backwards (Short Story)
Ephisia	Hive World		Site of the Ephisian Atrocity.	We Are One (Short Story) — Hammer and Bolter 10, pgs. 22–27
Epihelikon	Jungle World / Ork World (former)		Chondax System. Purged in the aftermath of the Ullanor Crusade	Brotherhood of the Storm (Novella), Chapter 1
Ephraeleon	Dead World / Exodite World		Destroyed by Tyranids	The Path Forsaken (Audio Drama)
Epsilon Regalis	Civilised World		Formosa Sector	Black Bone Road (Graphic Novel) - Flames of Damnation (Comic Anthology)
Epsilon Tokugawa III				Index Imperialis: Apocrypha, pg. 47
Epsion Octarius[21a]	Imperial World[21a]	Solar[21a]	Contested between Imperial and Ork Forces.[21a]
Erenon[1g]	Adeptus Astartes Homeworld[1g]	Ultima[1g]	Home of the Celestial Guard.[1g]
Ergotia				Redemption Corps (Novel), pg. 48
Eridos				Death From the Skies (7th Edition) — Eldar
Erridas				Horus Rising (Novel), Part One, Chapter Ten
Erwynn's World[1g]	Adeptus Astartes Homeworld[1g]	East of Ultima[1g]	Home of the Dragon Lords.[1g]	Codex: Space Marines (7th Edition), pg. 15
Eshunna XII[2x]	Proto-Hive World[2x]	Ultima[2x]	Imperial World[2x]
Esko[42i]		Tempestus[42i]
Esmadoria	War World / Hive World			Codex: Orks (8th Edition), pg. 124 — Ways of the Warbands
Espandor[1h]	Cardinal World[1h]	Ultima[1h]	One of the nine worlds of Ultramar.[1h]	Codex: Ultramarines, pg. 15; Codex: Space Marines (8th Edition), pg. 25
Estaban III[14a]	Forge World[14a]	Ultima[14a]	Home to the Legio Tempestor[14a]
Estaban VII[14a]	Forge World[14a]	Ultima[14a]	Home to the Legio Magna[14a]
Es'Tau	Tau Sept	Ultima	Formerly Skal's Breach	Kill Team (Novel), pgs. 137, 261
Eswulus	Ocean World			Conquest of Armageddon (Novel), Chapter 2, pg. 38
Ethniu[32f]	Agri World[32f]	Ultima[32f]	Balor System[32f]
Etiamnun III[79c]	Imperial World[79c]	Ultima[79c]
Etorras			Eastern Fringe.	Castellan Draco
Eurytion	Imperial World		Involved in the Palatine Crusade.	Codex: Witch Hunters (3rd Edition), pg. 47
Evangel	Dead World	Ultima		Gorkamorka: Da Uvver Book, pg. 104
Eydolim[49h][49i]	Shrine World[49h][49i]	Ultima[49h][49i]	Site of the Battle of Eagle Gate.[49h][49i]
Eypharos				Blood Angels Painting Guide – Sons of Sanguinius, pg. 53
Eyrie[1g]	Adeptus Astartes Homeworld[1g]	Solar[1g]	Home of the Storm Wings.[1g]
Facrast[8b]	War World[8b]	Obscurus[8b]	Calixis Sector / Malfian Sub-sector[8b]
Faeden's Reach		Ultima		Death From the Skies (7th Edition) — Tau Empire
Fal'shia[95b]	Tau Sept[95b]	Ultima[95b]	Founded during the First Sphere of Expansion[95b]	Codex: Tau Empire (7th Edition), The Sept Worlds, Commanders
Faldon Kise[8b]	Frontier World[8b]	Obscurus[8b]	Calixis Sector / Malfian Sub-sector[8b]
Fallon				The Flight of the Eisenstein (Novel), ch. 1
Fargon	War World / Feudal World			Warhammer Siege, pg. 94 - Example Scenarios: A Blow for Freedom
Fedrid[8b]	Feral World[8b]	Obscurus[8b]	Calixis Sector, Markayn Marches[8b]
Felis[1g]	Adeptus Astartes Homeworld[1g]	Ultima[1g]	Home of the White Panthers.[1g]
Fell Core	Dead World / Hive World (former)	Ultima	Subjected to Exterminatus after Tyranid invasion	Fire Warrior (Novel), Chapter 3, pg. 63
Fenksworld[8c]	Hive World[8c]	Obscurus[8c]	Calixis Sector / Josian Reach[8c]
Fenimore			Orbits the Gas Giant 88-Clavia	Predator, Prey (Novel), Chapter 1
Fenris[1b][1d][1e]	Adeptus Astartes Homeworld / Death World[1b][1d][1e]	Obscurus[1b][1d][1e]	Home of the Space Wolves.[1b][1d][1e]	White Dwarf 452, pg. 19 — Index Astartes: Space Wolves: Inheritors of Russ
Ferrom	Factory World	Obscurus	Askellon Sector	Dark Heresy Second Edition: Core Rulebook, pg. 322
Ferroxian[49b]	Penal World[49b]
Festus[8b]	Feudal World[8b]	Obscurus[8b]	Calixis Sector, Malfian Sub-sector[8b]
Fervious[8b]	Feudal World[8b]	Obscurus[8b]	Calixis Sector, Drusus Marches[8b]
Finreht Three-Seven	Feral World	Obscurus	Home to the Finreht Highlanders Imperial Guard.	White Dwarf 284 (UK), pg. 83
Firestorm	Adeptus Astartes Homeworld	Ultima	Home of the Aurora Chapter	Codex: Space Marines (7th Edition) — Ultramarines Successor Chapters
Fi'rios[95c]	Tau Sept[95c]	Ultima[95c]	Founded during the Third Sphere of Expansion[95c]	Codex: Tau Empire (6th Edition), pgs. 29, 87
Flak				Witchbringer (Novel), Chapter 5
Flent			Night Lords' Fief World during the Horus Heresy	Warhammer Community: Solar Auxilia – The Heraldry of Honour Part 3 (posted 13/6/2024) (Saved archive page, dated 30 July 2024, last accessed 30 July 2024, original link: https://www.warhammer-community.com/2024/07/30/solar-auxilia-the-heraldry-of-honour-part-3/)
Fleur-de-Fides	Cardinal World	Solar	Destroyed during the War of the Beast.	Predator, Prey (Novel), Chapter 6
Flijghof				Index Imperialis: Apocrypha, pg. 43
Florins		Obscurus	The planet's male population was completely wiped out by the dreaded Red Flux disease, released by Typhus the Herald of Nurgle.	Warlords of the Dark Millennium: Typhus, pg. 8, Typhus the Traveller
Flotte			Imperial world.	The Thirteenth Black Crusade (Background Book), pg. 91
Foldane's Landing[12b]
Folion				First and Only (Novel) — The Founding (Omnibus), A Memory: Gylatus Decimus, Eighteen Years Earlier, pgs. 69-70 (Interstitial between Parts Two and Three)
Follax IV[42j]		Ultima[42j]
Fool's Paradise[42h][42i]	Daemon World[42h][42i]	Obscurus[42h][42i]
Forasticus Prime	Death World / Jungle-subtype	Obscurus		White Dwarf July 2019, pg. 52
Foray-Secundus[68f]
Fordris	Tomb World		Site of the Battle of Fordris	Codex: Necrons (5th Edition), pg. 20
Forgefane	Fortress World (former) / Dead World	Tempestus	Held by the Iron Warriors until the invasion of Hive Fleet Leviathan in 997.M41.	White Dwarf 362 (UK), pg. 46
Forge Polix	Hell Forge	Obscurus		Black Crusade: The Tome of Fate, pg. 36
Forgewell[29]
Formal Prime[56a]	Hive World[56a]	Pacificus[56a]	Reconquered during the Sabbat Worlds Crusade[56a]
Formanton IV	War World / Hive World			White Dwarf 50 (2015) — Regiments of Renown
Fornax Aleph[56e]	Hive World[56e]	Pacificus[56e]	Reconquered during the Sabbat Worlds Crusade[56e]
Foronika		Ultima	Nephilim Sector / Argovon System	White Dwarf 457, pg. 54
Forthes	Feudal World	Pacificus	Suffering from a sleeping Chaos Titan having been awoken on it.	Warhammer Monthly 17 — Ragnor's Rock
Fortrea Quintus				White Dwarf 270 (UK), pg. 53
Fortress[1g]	Adeptus Astartes Homeworld[1g]	Ultima[1g]	Home of the Crimson Paladins.[1g]
Fortis Binary	Forge World	Pacificus	Reconquered during the Sabbat Worlds Crusade	First And Only (Novel), Part Two, Sections 4 & 9
Foth III				Warrior Coven (Novel) — Kill Squad: A Deathwatch Omnibus, Chapter 7, pg. 264
Foth VI	Feudal World			Warrior Coven (Novel) — Kill Squad: A Deathwatch Omnibus, Chapter 7, pg. 264
Fourtheden	Agri-World	Obscurus	Calixis Sector / The Periphery / Spinward Front	Only War: Enemies of the Imperium, pg. 12
Framlingham	Imperial World		Home to the Framlingham Rifles Imperial Guard.	The Thirteenth Black Crusade (Background Book), pg. 91
Frumenta	War World / Agri World / Ork World (former)			The Only Good Ork (Short Story)
Fulgor II	War World / Industrial World			Codex: Chaos Space Marines (9th Edition), pg. 125
Furund	Ice World			Warhammer 40,000: Chaos Gate — Target of Opportunity: Furund
Furia	Ocean World	Obscurus	Screaming Vortex	Black Crusade: The Tome of Blood, pgs 90-93 — Furia
Fychis Dolorous				Necropolis (Novel), ch. 17
Fydae Minos[8b]	Agri World[8b]	Obscurus[8b]	Calixis Sector / Malfian Sub-sector / Fydae System[8b]
Gabrydon[16b]	Mining World[16b]
Gacrux	Desert World			Warhammer 40,000: Chaos Gate — Target of Opportunity: Gacrux
Gaero Alphus			Lost to Nurglite forces in M36.	Codex: Chaos Daemons (6th Edition), pg. 21
Galan V				Imperial Armour - Imperial Vehicles for Warhammer 40,000, pgs. 40–42
Galaspar	Hive World			The Horus Heresy Book One - Betrayal, pgs. 136–137
Galathas II	Ice World			Fire Warrior (Novel), Chapter 2, pg. 39
Galavan	Jungle World			Death or Glory (Novel) — Ciaphas Cain: Defender of the Imperium (Omnibus), Chapter Nine, pg. 102, fn. 1
Galen VI	Frontier World			Imperial Armour Volume Ten - The Badab War - Part Two, pgs. 10-13
Galfranus V	Agri World			Imperial Knight Companion, pg. 39
Gallilenus III	Cardinal World		Center of the Gallilenus Heresy	Inquisitor: The Thorians, pg. 6
Galmor	Death World / Jungle World / Swamp World			Warhammer 40,000: Dawn of War - Dark Crusade: Abandon All Hope (Map Description); White Dwarf July 2019, pg. 46 - Death World Jungles
Galterian Prime				Warhammer Community: Psychic Awakening: Sanguine (Posted 09/12/2019) (Last accessed on 9 December 2019)
Gamara 12		Pacificus	Reclaimed during the Macharian Crusade.	Fist of Demetrius (Novel), Chapter 13, pgs. 82–83
Gametha				White Dwarf 64 (2015) — The Eldar Warhosts: Marking out the Warhost
Gammenon IX		Ultima		Fire Warrior (Novel), Chapter 2, pg. 35
Gandian Saturnalia				Pestilence (Short Story)
Ganf Magna[8b]	Frontier World / Mining World[8b]	Obscurus[8b]	Calixis Sector / The Periphery[8b]	Only War: Core Rulebook, pgs. 332-333
Garaghak's World	Hive World (former) / Ork World	Tempestus	Named Forsarr before falling to Waaagh! Garaghak	Imperial Armour Volume Eight - Raid on Kastorel-Novem, pgs. 76–77
Garalon Prime		Ultima	Garalon System	The Horus Heresy Book Five - Tempest, pg. 18
Gareva		Ultima		The Horus Heresy Book Five - Tempest, pg. 18
Gargathea III[2a][2i]	Feral World[2a][2i]	Ultima[2a][2i]	Site of several battles during the Badab War.[2a][2i]
Garguur[68e]			Gulgorahd Protectorate. Destroyed 012.M31[68e]
Garm	Industrial World	Obscurus	Associated with the Space Wolves Chapter	Grey Hunter (Novel), chs. 2, 3, 9, 14
Garomar[23c]
Gatera				White Dwarf July 2019 — Raven's Blood (Short Story)
Gath Rimmon	Death World			Runes (Short Story)
Gathalamor	Cardinal World	Solar	Diocese of the heretical Cardinal Bucharis during the Age of Apostasy	Codex: Sisters of Battle (2nd Edition), pgs. 39–42
Gathis II	Adeptus Astartes Homeworld		Gathis II is the current Homeworld of the Doom Eagles Chapter.	The Returned (Short Story)
Gehenna	Forge World		Produces the Manticore platform, possibly (or not) site of the Gehenna Campaign.	Imperial Armour - Imperial Vehicles for Warhammer 40,000, pg. 62
Gehenna Prime		Ultima	Site of an Ork invasion and a Genestealer infestation.	Titan Legions (game), The Fires of Gehenna scenarios booklet, pgs. 2-3
Gehöft	Agri World (former) / Dead World		Invaded by Nurglite daemons, subjected to Exterminatus.	Kor'sarro Khan: Huntmaster (Short Story)
Gelmiro Primus[8c]	War World[8c]	Obscurus[8c]	Calixis Sector, Markayn Marches. Part of the Gelmiro System[8c]
Gelmiro Secundus[8c]	War World[8c]	Obscurus[8c]	Calixis Sector, Markayn Marches. Part of the Gelmiro System[8c]
Gelmiro Tertius[8c]	War World[8c]	Obscurus[8c]	Calixis Sector, Markayn Marches. Part of the Gelmiro System[8c]
Genarius Prime				Inquisitor (film)
Genost				Chaos Child (Novel), Sixteen
Genovinga				White Dwarf 265 (UK), pg. 21
Geratomro	Industrial World	Tempestus	A.k.a. Gerat III, Gerat Prime	Shadowsword (Novel), ch. 1
Gershom	Imperial World			The Curiosity (Short Story)
Gereon	Imperial World	Pacificus	Formerly under Chaos control.	Traitor General (Novel)
Gethseda				Rebirth (Novel), Chapter 21
Geyluss Auspix				First and Only (Novel), Part Six, Chapter Twenty-Three
Ghalmek	Daemon World	Ultima		White Dwarf 270 (UK), pg. 53
Gharex V				Codex: Harlequins (8th Edition), pg. 27 — The Reaper's Mirth
Gheden	Tomb World	Ultima	Crownworld of the Nihilakh Dynasty.	Codex: Necrons (5th Edition), pg. 14
Gheistos[85l]	Agri World (former) / Dead World[85l]		Invaded by Chaos, subjected to Exterminatus[85l]
Gheldor X	War World			Codex Supplement: Salamanders (8th Edition), pg. 43 - The Art of Fire
Ghemnus II				Codex Supplement: Ultramarines (8th Edition), pg. 26 - Annals of the Ultramarines
Ghinga	War World		Fought over by the Imperium and Chaos.	White Dwarf 114 (UK), pg. 13
Ghola's Hope[85f]	Shrine World[85f]	Ultima[85f]
Ghoma VI				Codex: Chaos Daemons (9th Edition), pg. 24 - Slaanesh
Ghorsk IV				Regimental Standard: Flawless Crisis Instructions for Humans (Posted on 10/03/2021) (Last accessed on 10 March 2021)
Ghorstangrad[11d]	former Adeptus Astartes Homeworld[11d]	Tempestus[11d]	Former Homeworld of the Emperor's Swords Chapter.[11d]
Ghül	Xenos World			Hereticus (Novel), ch. 17
Gidrim	Tomb World	Ultima	Ruled by Nemesor Zahndrekh of the Sautekh Dynasty	Codex: Necrons (5th Edition), pg. 60
Gilreh				Fire Warrior (Novel), Chapter 5, pg. 120
Glacia IX	Ice World			Apocalypse: War Zone Damnos, pg. 34
Gladris[62a]
Glenescrede Raptus[31c]	Dead World / Forge World (former)[31c]	Pacificus[31c]	Destroyed in 999.M41.[31c]
Gloriam[85c]	War World[85c]	Pacificus[85c]	Contested between Ork and Imperial Forces.[85c]
Glorificum Alpha	Cardinal World			Codex: Adeptus Custodes (8th Edition), pg. 51
Glysos	War World			Blood Angels Painting Guide – Sons of Sanguinius, pg. 53
Gnosis Prime	Hive World			Champions of Fenris, pgs. 17, 16–19
Gnotis[33d]	Shrine World / Artificial World[33d]
Goborra	Mining World	Tempestus		Psychic Awakening: Engine War, pg. 4 - The Tide of Power
Gohliath IV				Warrior Coven (Novel) — Kill Squad: A Deathwatch Omnibus: Chapter 6, pg. 271
Golgotha	Ork World / Tomb World (hypothesized)	Ultima		Gunheads (Novel), Chapter Twenty-Five, pgs. 228, 234
Golia VII	Daemon World			White Dwarf 313 (UK), pg. 75
Gomgrath				Ravenwing (Novel), Three - Honour
Gonides VII				Codex: Space Marines (8th Edition, 2nd Codex), pg. 92
Gonomondium[49b]	Quarantined World[49b]
Gonoria Prime	Desert World		Site of the Gonoria Prime Rebellion	Imperial Armour - Imperial Vehicles for Warhammer 40,000, pgs. 66–6
Goranado	Jungle World			Warhammer 40,000: Chaos Gate — Target of Opportunity: Goranado
Goranl	Hive World	Obscurus	Nachmund Sub-Sector.	White Dwarf 475, pg. 68 - Flashpoint: Nachmund - The Acts of the Wardens
Gorgonum	Forge World	Ultima		White Dwarf 63 (2015) — Battleground: Gorgonum; Space Hulk: Tactics
Gorkamorka	Ork World / Tomb World	Ultima	Also known as Angelis.	Gorkamorka: Da Uvver Book, pgs. 5-10, 103–105; Gorkamorka: Digganob, pgs. 6-8, 29, 57, Back cover
Gork's Bonce[32f]	Supa-Rok planetoid[32f]	Ultima[32f]	Octarius System[32f]
Gororan III				Inquisitor Annual 2002, pg. 56
Gorrobin			Abrint Sector.	The Sixth Cult of the Denied (Short Story)
Goru-Prime	Desert World		Native world of the Mukaali Xenos	Imperial Armour Volume Three - The Taros Campaign, pg. 60
Gorzal	Swamp World			Tyranids: Forgotten Fleets
Go'shol	Ice World	Ultima	Currently a warzone for the T'au Empire	War Zone Damocles: Kauyon, pg. 119
Goth	Forge World	Obscurus		Codex: Necrons (7th Edition), pg. 13
Goughen				The Final Compliance of Sixty-Three Fourteen (Short Story)
Govina	Sept World	Ultima		Blood Gorgons (Novel) — Chapter 5
Graehl	Death World	Pacificus		Leviathan (Box) Rulebook, pg. 245
Graffias	Jungle World			Warhammer 40,000: Chaos Gate — Target of Opportunity: Graffias
Graia[14a][14h][14j]	Forge World[14a][14h][14j]	Tempestus[14a][14h][14j]
Graiad				Death From the Skies (7th Edition), Deathbringer Skylegions
Grammachus Beta	Forge World			Codex Supplement: Angels of Death, Strike Force Grolvoch
Grangold[8b]	Dead World[8b]	Obscurus[8b]	Calixis Sector, Adrantis Nebula[8b]
Granithor[8c]	Cemetery World[8c]	Obscurus[8c]	Calixis Sector, Golgenna Reach[8c]
Gravalax[80a][80b]	Agri World[80a][80b]	Ultima[80a][80b]
Greater Eydolim[49g][49i][49j][49k]	Mining World / Gas Giant[49g][49i][49j][49k]	Ultima[49g][49i][49j][49k]
Gregorn	Death World / Feral World / Jungle World	Obscurus	Askellon Sector	Dark Heresy Second Edition: Enemies Without, pgs. 85-90 — Gregorn
Greiman's World				Master of Sanctity (Novel), Part 3 - Old Wounds
Grendel's World	Dead World	Ultima	Destroyed by the Night Lords.	Index Astartes II, pg. 26
Grettel		Obscurus		Lost Hope (Short Story)
Grimoyr[56h]		Pacificus[56h]	Was occupied by the forces of Chaos.[56h]
Grodisphere				Codex: Imperial Knights (7th Edition), A Noble Legacy — Knights Gallant
Grosphox IV				War Zone Damocles: Kauyon, pg. 87
Grove's Fall[8c]	Hive World[8c]	Obscurus[8c]	Calixis Sector / Markayn Marches[8c]
Grull				Codex: Dark Angels (8th Edition), pg. 39 — Close Support Squads
Grunald	Agri World			Crimson Slaughter - A Codex: Chaos Space Marines Supplement (6th Edition), pg. 22 — The Crimson Slaughter Unleashed
Gruss	Agri World	Obscurus	Belongs to the Rogue Trader Vyr Modren (see also Modren's Realm).	Rogue Trader: Twilight Crusade, pg. 35
Gryphonne IV[14a]	Forge World (former) / Dead World[14a]	Tempestus[14a]	Eaten by Hive Fleet Leviathan.[14a]
Gudrun[88c]	Civilised World / War World[88c]	Obscurus[88c]
Guer III		Tempestus		White Dwarf 63 (2015) — Regiments of Renown
Gulinglas[50]
Gunpoint[8c]	Hive World[8c]	Obscurus[8c]	Calixis Sector / Hazeroth Sub-Sector[8c]
Guranta			Gurantan System	Warhammer 40,000: Rogue Trader, pg. 27
Gurgit's Mekworld	Ork World / T'au Sept (former)			White Dwarf 452, pg. 38
Guryan	Mining World	Pacificus		Codex: Sisters of Battle (2nd Edition), pg. 41
Guytoga[8c]	Hive World[8c]	Obscurus[8c]	Calixis Sector, Hazeroth Sub-Sector[8c]
Gylax VI[32f]	Forge World[32f]	Ultima[32f]	Attila System[32f]
Gythos			Subjected to a daemonic incursion in 888.M41, harvested by Necrons after the latter defeated the Daemons.	Codex: Necrons (7th Edition) — A New Epoch Begins
Haakonath	Destroyed. Former Adeptus Astartes Homeworld.		Former Adeptus Astartes Homeworld of the Star Phantoms Space Marines Chapter. Destroyed by the Hrud.	Imperial Armour Volume Ten - The Badab War - Part Two, pgs. 135-136
Haark			Attacked in 477.M39 by the Daemons of Tzeentch and then destroyed in a supernova explosion. See also By the Dying Light incident.	Dataslate: Space Marines Strike Force Ultra (Background Book), pg. 13
Hadd[8b]	Forge World[8b]	Obscurus[8b]	Calixis Sector, Drusus Marches. Part of The Lathes[8b]
Haddrack[8b]	Death World[8b]	Obscurus[8b]	Calixis Sector, Drusus Marches[8b]
Hadleys Hope			Imperial world.	The Thirteenth Black Crusade (Background Book), pg. 91
Hagia	Feudal World / Shrine World	Pacificus	Birthplace of Saint Sabbat	Honour Guard (Novel) — The Saint (Omnibus); Epigraph before Chapter One, Chapter One, Chapter Five
Halanga	Desert World			Codex: Adeptus Custodes (9th Edition), pg. 42 — The Splendour of Holy Terra
Halcrot III				Warhammer Siege, pg. 95 - Example Scenarios: This is Not A Drill
Hakka				Blood Rites (Comic) - Flames of Damnation (Comic Anthology)
Haldor			Pyrus Reach Sector	Blind Hopes (Short Story) (saved archive page, dated 4 July 2007, last accessed 9 July 2024)
Hale[68c][68e]
Halea				Codex Supplement: Raven Guard (8th Edition), pg. 46 - The Raven's Panoply
Hambro Cuth	Feudal World			Warhammer Siege, pg. 94 - Example Scenarios: For Your Own Good
Hamooth	Agri World			Iron Hands (Novel), ch. 13, pg. 224
Hanibael[32f]	Hive World[32f]	Ultima[32f]	Attila System[32f]
Hannibal				Harlequin (Novel), Ten
Hannizare				The Horus Heresy Book Three - Extermination, pg. 60
Happenstance	Civilised World		Part of the Sanctimonia Conflict in 291.M37	White Dwarf 492, pg. 141
Harakon	Hive World		Home to the Harakoni Warhawks Imperial Guard Regiments.	Codex: Imperial Guard (3rd Edition, 2nd Codex), pg. 6
Hare				Last Step Backwards (Short Story)
Harkon[42i]		Solar[42i]
Haruthalen				Codex: Dark Angels (9th Edition), pg. 52 - Crusade Rules
Hattusa II[2x]	Waste World[2x]	Ultima[2x]	Imperial World[2x]
Haxan Prime[49b]	Quarantined World[49b]
Hazhim	Hive World	Ultima	Orbited by deep-space foundries	Crossfire (Novel), chs. 2, 11
Heckla	Ice World	Obscurus		Iron Hands (Novel), ch. 9, pg. 134
Heed[8b]	Dead World[8b]	Obscurus[8b]	Calixis Sector, Markayn Marches[8b]
Hegelian IX				Warrior Brood (Novel) — Kill Squad: A Deathwatch Omnibus, ch. 3, pgs. 44–45
Heidrun			Imperial World	The Thirteenth Black Crusade (Background Book), pg. 91
Hekateus IV	Forge World (Inceptive)			Warhammer 40,000: Mechanicus II
Heletine	Cardinal World	Ultima	In 980.M41, Heletine was embroiled in the Promethean War, a conflict between Sisters of Battle and the Salamanders Space Marine Chapter against the Black Legion Chaos Space Marines.	Rebirth (Novel), chs. 1, 8, 20, 22, 26, 35, 38; Codex: Chaos Space Marines (8th Edition), pg. 20
Heliogabalus	Hive World			The Colonel's Monograph (Novella)
Helios[72b]	Forge World[72b]		Besieged by Orks in 857.M38[72b]	Imperial Armour Volume Two - Second Edition, pg. 18
Heliotrax[32e]	Archive World[32e]	Obscurus[32e]	Prismata System[32e]
Hellenis				Ravenwing (Novel), Three - Honour
Hellgrace	Forge World			Imperial Armour Volume One - Second Edition: Imperial Guard, pg. 119
Hellicore				Garro: Shield of Lies (Audio Book)
Helmont[58a]	Dead World[58a]		Consumed by Hive Fleet Behemoth during the First Tyrannic War[58a]
Hemisphere	Hive World			Imperial Armour Volume Eleven - The Doom of Mymeara Second Edition, pg. 24
Henvinka				Virtues of the Sons (Short Story)
Herculanis	Forge World			Codex: Chaos Daemons (9th Edition), pg. 39 - Infernal Panoply
Hermetica	Hive World	Solar	Capital of the Chonma Sector	Imperial Armour Volume Ten, pg. 109
Herod	Desert World / Mining World	Obscurus	Supplies crystals for the manufacture of las-weapons across the Achilles subsector	Iron Hands (Novel) chs. 7 (pgs. 100–106), 8 (pgs. 111–118, 122-124), 9 (pg. 130)
Herodor	Imperial World	Pacificus	Contested between Imperial and Chaos Forces.	Sabbat Martyr, ch. 1
Hervara	Forge World	Obscurus	Calixis Sector / The Periphery / Spinward Front	Only War: Core Rulebook, pgs. 332-333
Hesh[8b]	Forge World[8b]	Obscurus[8b]	Calixis Sector, Drusus Marches. Part of The Lathes[8b]
Heshimar				A Rose Watered With Blood (Short Story)
Hesiod's Wake[8c]	Agri World[8c]	Obscurus[8c]	Calixis Sector, Hazeroth Sub-Sector[8c]
Hesperax	Dead World, former Xenos World	Obscurus		Warrior Coven (Novel) — Kill Squad: A Deathwatch Omnibus, ch. 4 (pgs. 220–226)
Het[8b]	Forge World[8b]	Obscurus[8b]	Calixis Sector, Drusus Marches. Part of The Lathes[8b]
Heterodyne[8c]	Feudal World[8c]	Obscurus[8c]	Calixis Sector, Hazeroth Sub-Sector[8c]
Hethgar Prime		Ultima		Warhammer 40,000: Regicide, Intro, Act 2 Mission X, Act 2 Mission XIII
Heugen's Anvil[58e]
Hevaran				Warhammer Community: High Marshal Helbrecht Gets It Together in His New Black Library Novel (Posted on 15/06/22) (Last accessed on 15 June 22)
Hexis Alpha	Hive World		The Knights of House Mortan, House Althalos and House Thalmus saved the Hive World when a Warp rift spawned a tide of Daemons across the planet.	Codex: Imperial Knights (6th Edition) — The Knightly Houses - Lesser Houses
Hilarion[8c]	Agri World / Feudal World[8c]	Obscurus[8c]	Calixis Sector, Hazeroth Sub-Sector[8c]
Hlatan[55e]		Tempestus[55e]
Hoight[37d]	Garden World[37d]	Pacificus[37d]	Liberated during the Macharian Crusade[37d]
Holda	Dead World	Obscurus		Gorkamorka: Da Uvver Book, pg. 104
Holgar IV				White Dwarf 112 (UK), pg. 43 - Predator
Holst (Signus VI)	Quarantined World	Ultima Segmentum	Part of Signus Cluster	Fear to Tread (Novel) - Chapter Five
Honourum[1g]	Feral World / Adeptus Astartes Homeworld[1g]	Ultima[1g]	Home of the Novamarines.[1g]	Death of Integrity (Novel), ch. 2 (pg. 24)
Horestis[87c]	Dead World / Daemon World (former)[87c]		Once a fief of Nurgle, destroyed by Exterminatus from the Imperial Navy.[87c]
Horizon	Frontier World	Obscurus	Calixis Sector / The Periphery / Spinward Front	Only War: Core Rulebook, pgs. 332-333
Horos[48g]
Horsk	Dead World			Renegades: Lord of Excess (Novel), Chapter 2
Horzark Prime				Codex: Orks (9th Edition), pg. 29 - Mad Dok Grotsnik: Da Corpse Grab
Ho'sarn	Tau Sept	Ultima		Codex: Tyranids (5th Edition), pgs. 18–21
Houns Ashemashea	Maiden World			Rise of the Ynnari: Wild Rider (Novel), Chapter 22
Hranx	War World / Hive World		Contested between the Imperium and the Alpha Legion.	Hunted (Short Story) — Hammer and Bolter 4
Hredrin[8c]	Hive World[8c]	Obscurus[8c]	Calixis Sector, Josian Reach[8c]
Hualda-IX[62b]
Hubris	Ice World	Obscurus	Scarus Sector / Helican Subsector	Xenos (Novel), One — A cold coming. Death in the dormant vaults. Some puritanical reflections.
Hubris IV	Agri World	Obscurus		White Dwarf 264 (UK), pg. 67
Hulee V	Hive world	Obscurus	Askellon Sector	Dark Heresy Second Edition: Core Rulebook, pg. 322
Hurrah				Harlequin (Novel), Eleven
Hurspraxia[42a]	Dead World[42a]		Rendered lifeless by unidentified Xenos[42a]
Husk	Hive World / War World			Lazarus: Enmity's Edge (Novel), ch. 1
Huygen[32e]	Mining World[32e]	Obscurus[32e]	Prismata System[32e]
Hyannoth IV[49l]	Imperial World[49l]		Home to Neandor Abhumans[49l]
Hyades	Jungle World	Obscurus		Sons of Fenris (Novel), ch.2
Hydra Minoris[11b][49c]	Dead World[11b][49c]	Obscurus[11b][49c]	Quarantined in 757.M41 due to an outbreak of Zombie Plague[11b][49c]	White Dwarf 291 (UK), pg. 96
Hydraphur	Forge World / Segmentum Fortress	Pacificus	Segmentum Command of Segmentum Pacificus	White Dwarf issues 139 and 140, Interstellar Travel
Hypnoth	Forge World	Ultima	Conquered by the Necrons.	Codex: Necrons (5th Edition), pg. 26
Hypasitis	Cemetery World	Obscurus		Deathwatch: Honour the Chapter, pg. 90; Carcharodons: Outer Dark (Novel), ch. 4 (pg. 81)
Hyraq II[48h]
I'Ycklaha	Death World / Jungle World			White Dwarf July 2019, pg. 46
Iax	Death World / Paradise World (former) / Agri World (former)	Ultima	One of the nine worlds of Ultramar, corrupted during the Plague Wars	Codex: Space Marines (8th Edition), pg. 25; Dark Imperium: Godblight (Novel), chs. 33, 43
Icefang[1g]	Adeptus Astartes Homeworld[1g]	Ultima[1g]	Home of the Tigers Argent.[1g]
Ichar IV	Hive World	Ultima		White Dwarf 263 (UK), pg. 78
Ichorax	Dead World / Hive World (former)		Population wiped out by Emperor's Children in 999.M41	Index Chaotica: Possessed (Background Book) — Daemonic Deeds - Screams of the Dying
Ichoria	Daemon World	Obscurus		White Dwarf 282 (UK), pg. 21 — The Eye of Terror — Daemon Worlds
Ichtar IX	Mining World		Population wiped out in M32	Codex: Chaos Daemons (6th Edition), pg. 33 Codex: Chaos Daemons - Daemonic Incursion Edition, pg. 20
Ichovor[8c]	Feudal World[8c]	Obscurus[8c]	Calixis Sector, Hazeroth Sub-Sector[8c]
Idumea[8c]	Forge World[8c]	Obscurus[8c]	Calixis Sector, Hazeroth Sub-Sector[8c]
Iduno	Imperial World			Codex: Space Marines (4th Edition), pg. 47
Idyll[48e]	Shrine World[48e]
Iesta Veracrux	Agri World	Ultima		Nemesis (Novel), chs. 1-3
Ignatius Cardinal	Cardinal World		Also known simply as Ignatius	First and Only (Novel) — The Founding (Omnibus), A Memory: Ignatius Cardinal, Twenty-Nine Years Earlier, pgs. 107-111 (Interstitial between Parts Three and Four)
Ignix		Obscurus		Regia Occulta (Short Story)
Ilium II			Site of Eldar Ruins of El Daradanel	Codex: Craftworld Eldar (3rd Edition), pg. 8
Illiun				Watchers of the Throne: The Emperor's Legion (Novel), Chapter 18 - Aleya
Illustria IV				Rites of Passage (Novel), The Star Lounge
il'Wolaho				Shadowsun (Novella)
Imon			Pyrus Reach Sector	The Gathering Storm (Short Story)
Incaladion[14a][71]	Forge World[14a][71]	Ultima[14a][71]
Incron	Ocean World	Solar	Naval depot of the Moebian Domain's battlefleet.	Warhammer 40,000: Darktide - Character Creation - Home World: Incron
Incunabla	Dead World		Where the Chapters of the 21st Founding were secretly created.	White Dwarf 260 (UK), pgs. 98-102
Inferria-Prime				Fire Warrior (Novel), ch. 6 (pg. 162)
Infidus Brim		Solar	A tumultuous vassal world of the Moebian Domain located in the Moebian Fringe Region.	Warhammer 40,000: Darktide
Ingiga[1g]	Adeptus Astartes Homeworld[1g]	Solar[1g]	Home of the Angels of Fury.[1g]
Innocence III	Shrine World			Codex: Space Marines (7th Edition) — The Chronicles of Heroes - Firestorm
Inwit	Ice World / Adeptus Astartes Recruiting World	Tempestus	Former homeworld of Rogal Dorn, recruiting ground for the Imperial Fists	Space Marine (Novel), Chapter Two; Heretic Tomes The Horus Heresy Book One - Betrayal, pgs. 290–291
Iobos				Codex: Space Marines (8th Edition, 2nd Codex), pg. 101 - Insignium Astartes
Iocanthos[8b]	Agri World[8b]	Obscurus[8b]	Calixis Sector / Golgenna Reach[8b]
Iolas IX				Iron Devil (Audio Drama), e-book version
Ionis				The Ionis Gambit (Comic) - Flames of Damnation (Comic Anthology)
Ionus X[88d]	Forge World[88d]
Ipheriax Tertius				Grey Talon (Short Story)
Iris	Death World	Obscurus	Calixis Sector / The Periphery / Spinward Front	Only War: Core Rulebook, pgs. 332-333
Ironblood			Ultramarines and Cadian tanks fought Warpsmith Grathax here.	Codex Supplement: Ultramarines (8th Edition), pg. 46
Ironhelm[66a]	Forge World[66a]		Liberated in 901.M41 from Waaagh! Bludcrumpa by the Blood Angels.[66a]
Ironghast Foundry[48m]	Hell Forge[48m]		Dedicated to Khorne.[48m]
Isin IV[2x]	Civilised World[2x]	Ultima[2x]	Imperial World[2x]
Isla'su	Ocean World	Ultima	Belongs to the Tau Empire. Homeworld of the Greet xenos.	Codex: Tau Empire (6th Edition), pg. 10
Issenheim	Ice World			Codex: T'au Empire (8th Edition), pg. 64 — XV88 Broadside Battlesuits
Issinium			Issinium System	Misbegotten (Short Story)
Isstvan III[67a]	Dead World[67a]	Ultima[67a]		Realm of Chaos: Slaves to Darkness, pg. 240
Isstvan V	Imperial World	Ultima	Location of the Drop Site Massacre.	The Horus Heresy Book One - Betrayal, pg. 1; The Horus Heresy Book Two - Massacre, pg. 26 (sidebar)
Ithaka	Ocean World / Adeptus Astartes Homeworld	Obscurus	Also called the Cradle of Snakes, home of the Iron Snakes.	Brothers of the Snake (Novel), Part Five
Ithlas				Imperial Armour II - Ork, Eldar and Dark Eldar Vehicles for Warhammer 40,000, pg. 43
Ixus IX	Dead World / Tomb World (former) / Penal World (former)			Cold Blood (Short Story)
Ixya	Dead World / Tomb World / Mining World (former)			But Dust in the Wind (Short Story) — Victories of the Space Marines (Anthology)
Iygorn X	Ultima		Ultramar Subsector	Adeptus Titanicus: Shadow and Iron, pg. 14 - The Iron Crusade: Burning Sands, Cold Vengeance
Iylassa[33d]	Feudal World[33d]
Izzakos	Penal World			The Strange Demise of Titus Endor (Short Story) — Hammer and Bolter 1, pg. 14
Jacero				Exhumed (Short Story)
Jagata VII	Death World			Dark Creed (Novel), Chapter Six
Jaggafall[1g]	Adeptus Astartes Homeworld[1g]	Obscurus[1g]	Home of the Blood Swords.[1g]
Jago	Fortress World	Pacificus		Only in Death (Novel), ch. 1
Jagram[85b]
Jagun	Adeptus Astartes Homeworld / Feral World		Home of the Storm Reapers.	Codex: Space Marines (8th Edition), pg. 35
Jakart IV	Hive World			White Dwarf 263 (UK), pg. 24
Janus	Gas Giant	Obscurus	Calixis Sector / The Periphery / Spinward Front	Only War: Core Rulebook, pgs. 332-333
Japheth	Hive World			Iron Hands (Novel), Prologue, pgs. 9–10
Jared's World				Warp Spawn (Short Story)
Jaskan IV	Mining World			Void King (Novel), Chapter 29
Jemdal	Death World / Jungle World			White Dwarf July 2019, pg. 46
Jericho IV	Civilised World			White Dwarf 352 (UK), pg. 100 - Frontline Event Calendar: On Wings of Fire
Jhal Sak III				Codex: Astra Militarum (9th Edition), pg. 30 - Vresh Grenadiers
Jilator's Star	War World			Codex: Adepta Sororitas (9th Edition), pg. 48 - Vestments of Purity
Jindran			Discovered by the Imperium of Man in M37	Signal to Noise (Short Story)
Jollana[17c]	Civilised World[17c]		Renowned for its Great Librarium[17c]
Jones Crispin World[49g][49i][49k]	Hive World[49g][49i][49k]	Ultima[49g][49i][49k]	Located in the Eydolim System[49g][49i][49k]
Jorun's World			Invaded by Gorklaw's Waaagh! in 805.M41.	Apocalypse Reload, pgs. 76–87
Jorvon VIII				Dataslate: Reclusiam Command Squad (Background Book) — Reclusiam Command Squad
Jostero				Codex: Grey Knights (8th Edition), pg. 27 — Lord Kaldor Draigo
Joura	Civilised World	Segmentum Pacificus		Warhammer 40,000 4th Edition Rulebook, pg. 90
Jouran	Civilised World		Home to the Jouran Dragoons Imperial Guard.	[Help]
Jubal	Mining World	Obscurus		White Dwarf 291 (UK), pg. 96
Jula II	Tomb World (former)			Codex: Chaos Daemons (9th Edition), pg. 95 - Nurgle Datasheets
Junos[8b]	Mining World[8b]	Obscurus[8b]	Calixis Sector, Malfian Sub-sector, Fydae System[8b]
Jumael IV	Agri World		Home to the Jumael Volunteers Imperial Guard.	Fifteen Hours (Novel), 22:57 hours Imperial Standard Time (Revised Real-Space Close Planetary Approximation), 20:14 hours Jumal IV Central Planetary Time (Western Summer Adjustment); Imperial Armour II - Ork, Eldar and Dark Eldar Vehicles for Warhammer 40,000, pg. 39
Jupiter	Gas Giant / Forge World / Mining World	Solar		The Horus Heresy Book One - Betrayal, pg. 18; Codex: Adeptus Custodes (8th Edition), pg. 29
Jurn	Imperial World	Tempestus		Codex: Chaos (2nd Edition), pg. 48
JXM A18Z[8b]	Forge World[8b]	Obscurus[8b]	Calixis Sector, Malfian Sub-sector[8b]
Kadaku	Death World	Pacificus	Bastior Sub-sector	White Dwarf 515, pgs. 14–15 — Warzone Bastior: The Recidious Sector
Kaenis V				Index Astartes: Stalkers and Hunters — Renowned Stalkers - Deathless Saint of Days
Ka'hesku Atoll	Sept World (former)			Conquest 64 - Space Marines: Drop Pods
Kai[67d]	Forge World (former)[67d]	Obscurus[67d]
K'ail		Ultima	Former Tau world that was conquered by the Ultramarines in 913.M41 during The Six Hour War.	Dataslate: Space Marines Strike Force Ultra (Background Book), pg. 13
Kail IX	Ocean World			Scars (Novel), Chapter 1
Kailith[85r]	Maiden World / Jungle World[85r]		Contains a Webway Portal[85r]
Khai-Zhan	Agri World / Ocean World	Obscurus	Cadian Sector	Codex: Cityfight, pgs. 74–78
Kaladrone	Industrial World			White Dwarf 262 (UK), pg. 70
Kalatar				Blood Rite (Novella), Chapter 1
Kaledon[85h][85j]	Feral World[85h][85j]	Obscurus[85h][85j]	Home to the Kaledon Hunters Imperial Guard.[85h][85j]
Kalf[8b]	Frontier World[8b]	Obscurus[8b]	Calixis Sector / The Periphery / Spinward Front[8b]
Kalgrathis				Rebel Winter (Novel), ch. 10
Kalidar I	Dead World	Tempestus		Baneblade (Novel), Interstitial (after Prologue), pgs. 17–18
Kalidar II	Dead World	Tempestus		Baneblade (Novel), Interstitial (after Prologue), pgs. 17–18
Kalidar III	Dead World	Tempestus		Baneblade (Novel), Interstitial (after Prologue), pgs. 17–18
Kalidar IV	Industrial World	Tempestus	Capital World of the Chiros Sector.	Baneblade (Novel), Interstitial (after Prologue), pgs. 17–18
Kalides Prime			Capital World of the Kalides System.	Crusade (Novella), Chapter One
Kalidos[32e]	Hive World[32e]	Obscurus[32e]	Prismata System[32e]
Kalighast IV	Ice World			Codex: Death Guard (8th Edition), pg. 63
Kaliman IV				Index Astartes: Company Champions, pg. 6
Kalimant	Xenos World		Hrud nest	Ghazghkull Thraka: Prophet of the Waaagh! (Novel), Interrogation 1
Kallash	Feudal World			Iron Resolve (Novella), 1000
Kalleth		Ultima[52d]	Nostramo Sector. Destroyed 011.M31, resources claimed by the Angels Vermillion 017.M31[52d]
Kallista[52d]	Industrial World[52d]
Kalmatir				Codex: Blood Angels (9th Edition), pg. 63 - Abilities
Kalor III				Black Crusade: The Tome of Fate, pg. 9
Kalto	Agri World	Obscurus	Askellon Sector	Dark Heresy Second Edition: Core Rulebook, pg. 322
Ka'mais	Tau Sept (former) / Dead World	Ultima		Codex: Tyranids (5th Edition), pgs. 18–21
Kamenka Troika[30b]			Collective name for the three satellite worlds of the planet Kamenka Ulizarna[30b]
Kanak[42i]	Feral World / Death World / Tomb World (former)[42i]	Obscurus[42i]	Home to the Kanak Skull Takers[42i]	Codex: Imperial Guard (3rd Edition, 2nd Codex), pg. 61
Kane's Sorrow	Death World	Ultima		Imperial Knight Companion, pg. 39
Kantim Secondus				White Dwarf 469, pg. 122 — The Horus Heresy: Armour Through the Ages
Kantos	Forge World	Pacificus		Warhammer Monthly 17 — Ragnor's Rock
Kanzuz IX		Obscurus	Desecrated by Fabius Bile.	Warlords of the Dark Millennium: Fabius Bile — To Walk The Stars; Codex: Chaos Space Marines (8th Edition), pg. 20
Kao-li[8c]	Forbidden World[8c]	Obscurus[8c]	Calixis Sector / Josian Reach[8c]
Kapellis IX			Location where Black Templar Frohl Koremann first fought Tyranids.	White Dwarf 471, pg. 83
Kappa Veldt				Flesh and Steel (Novel), Chapter 15
Kar Duniash[91a][91e]	Segmentum Fortress[91a][91e]	Ultima[91a][91e]	Segmentum Command for Ultima Segmentum.[91a][91e]
Karacallia	Gas Giant	Obscurus	Calixis Sector / The Periphery / Spinward Front	Only War: Core Rulebook, pgs. 320
Karadox				White Dwarf 53 (2015) — The Danse of Death
Karesh			Karesh System	Chaos Child (Novel), Two
Karis Cephalon				White Dwarf 257 (UK), pg. 101-115
Karkariad[56i]	Hive World[56i]	Pacificus[56i]	Was occupied by the forces of Chaos.[56i]	Honour Guard (Novel), Chapter Three
Karnak II		Obscurus	Site where the Lightning STC patterns were found.	Imperial Armour - Imperial Vehicles for Warhammer 40,000, pg. 72
Karnat				Codex: Deathwatch (8th Edition), pg. 87 — Knights of the Long Vigil
Karnax 17				Imperial Armour Volume Two (Second Edition), pg. 164
Karrik	Death World / Ice World	Obscurus		Black Industries' Calixis Sector: Karrik (saved archive page, dated 6 June 2008, last accessed 9 July 2024)
Karygpha	War World / Industrial World			Codex: Aeldari (9th Edition), pg. 67 - Colours of the Asuryani
Kasr Fuul				Last Step Backwards (Short Story)
Kastorel-Novem	Ork World / Mining World (former)	Ultima	Base of Waaagh! Garaghak; now known as Mekslag-Ikks	Imperial Armour Volume Eight - Raid on Kastorel-Novem, pg. 75
Kataris	Dead World, former Agri World	Obscurus		Fateweaver (Novella) — Architect of Fate (Anthology), Chapter 1, pgs. 222–223
Kathalon	Daemon World	Obscurus	Disputed between forces of Tzeentch and Khorne	Codex: Chaos Daemons (4th Edition), pg. 18
Kathur	Shrine World	Obscurus		[Help]
Kato[42f][42i][42j]	Shadow World[42f][42i][42j]	Ultima[42f][42i][42j]
Kattyak				Blood of Asaheim (Novel), Chapter One
Kaurava I	Civilised World (former) / Ork World	Ultima	Centre of the Kaurava system.	Dawn of War: Soulstorm
Kaurava II	Civilised World (former) / Ork World	Ultima		Dawn of War: Soulstorm
Kaurava III	Tomb World (former) / Ork World	Ultima		Dawn of War: Soulstorm
Kaurava IV	Civilised World (former) / Ork World	Ultima		Dawn of War: Soulstorm
KCX-1288	Xenos World	Obscurus	Saruthi world.	Xenos (Novel), ch. 18
Keletros[1g]	Adeptus Astartes Homeworld[1g]	Solar[1g]	Home of the Skull Bearers.[1g]
Ke'lshan	Tau Sept	Ultima	Founded during the Second Sphere of Expansion; also spelt Kel'shan	Codex: Tau (3rd Edition), pgs. 18, 59
Kenov III[8b]	Death World[8b]	Obscurus[8b]	Calixis Sector, Malfian Sub-sector[8b]
Kentaur				First and Only (Novel), A Memory: Khedd 1173, Sixteen Years Earlier (Interstitial between Parts Five and Six)
Kessae[8b]	Frontier World[8b]	Obscurus[8b]	Calixis Sector, Malfian Sub-sector, Fydae System[8b]
Keylek	Xenos World		Homeworld of the Keylekid.	Horus Rising (Novel), Part One, Chapter Nine, pgs. 172–173
Khai-zhan	Agri World / Ocean World	Obscurus	Location of the Khai-Zhan Uprising in 968.M41	Codex: Cityfight, pgs. 74–78
Khedd 1173			Imperial	First and Only (Novel), A Memory: Khedd 1173, Sixteen Years Earlier (Interstitial between Parts Five and Six), Part Six, Chapter Sixteen
Khelrantyr	War World / Tomb World			Warhammer Combat Cards, The Devourer - campaign description
Khendrel IV	War World / Industrial World			Dark Angels and Death Guard do battle at Warhammer World
Khongkotan	Feral World			Redemption Corps (Novel), Chapter 4, pg. 101
Khoraj	Adeptus Astartes Homeworld	Tempestus	Homeworld of the Iron Champions Chapter.	Imperial Armour Volume Two - Second Edition, pg. 8
Khur[69a]	Dead World[69a]	Segmentum Pacificus[69a]	Subjected to Exterminatus during the Great Scouring.[69a]
Khymara[2a]	Death World / Mining World[2a]	Ultima[2a]
Kiavahr	Adeptus Astartes Homeworld / Hive World / Forge World	Tempestus	Home of the Raven Guard.	The Horus Heresy Book Three - Extermination, pg. 133
Kicury[74b]	Mining World[74b]		Imperium Nihilus.[74b]
Kimmeria	Feral World / Adeptus Astartes Recruiting World	Ultima	Dark Angels recruiting world.	Index Astartes I, pgs. 18–22
Kinog[8b]	Paradise World[8b]	Obscurus[8b]	Calixis Sector, Malfian Sub-sector[8b]
Kiskayde				Misbegotten (Short Story)
Klaat	Hive World		Klaat System.	The Helwinter Gate (Novel), prologue
Klaihn[39c]	Ice World / Xenos World[39c]		Location of a temple dedicated to the Aeldari goddess Isha.[39c]
Klebendor III				White Dwarf 302, pg. 85
Kleimoran				Scars (Novel), Chapter 2
Klithaine[48i]	Exodite World (former) / Paradise World (former)[48i]		The Aeldari population of the planet were killed and devoured by the Wrath Chaos Space Marines warband.[48i]
Klybo[8b]	Dead World[8b]	Obscurus[8b]	Calixis Sector, Markayn Marches[8b]
Knarr			Location of the Rusthunt	Codex: Space Marines (7th Edition) — The Chronicles of Heroes — The Rusthunt
Ko'an Prime		Ultima	T'au Empire warzone.	War Zone Damocles: Kauyon, pg. 118
Kodiak Prime				Faith and Fire (Novel), Chapter 5, pgs. 100–101
Kogen's Toil	Forge World			Codex: Astra Militarum (8th Edition), pg. 12 — Astra Militarum Company Organisation: The Mechanicus and the Guard
Kokytos	Ice World	Obscurus	Calixis Sector / The Periphery / Spinward Front	Only War: Enemies of the Imperium, pg. 14
Kol	Quarantined World	Ultima Segmentum	Part of Signus Cluster	Fear to Tread (Novel) - Chapter Five
Kol'hoosi			T'au Empire troops fought Orks here.	Altar of Maws (Short Story)
Kolagar				Deathwatch: The Flesh of the Angel (Short Story)
Kolkun				Last Man Standing (Comic) - Flames of Damnation (Comic Anthology)
Komaris		Solar	Moebian Domain	Warhammer 40,000: Darktide
Kommitzar[8c]	Penal World[8c]	Obscurus[8c]	Calixis Sector / Hazeroth Sub-Sector[8c]
Kollace		Obscurus	Gothic Sector	Warhammer 40,000 4th Edition Rulebook, pg. 239
Kommitzar[8c]	Penal World[8c]	Obscurus[8c]	Calixis Sector / Hazeroth Sub-Sector[8c]
Koorqosan				The Horus Heresy Book Eight - Malevolence, pg. 12 - Selected Encounters of Esoteric Phenomena
Koradrum	Tomb World	Obscurus	Scarus Sector	Born Unto Us (Short Story)
Koralkal[42j]		Ultima[42j]
Korkos	War World			Codex: Aeldari (9th Edition), pg. 58 - Colours of the Asuryani
Korlax V	War World / Industrial World			Warhammer 40,000 9th Edition Rulebook, pgs. 71-72
Korlin II				Codex: Chaos Daemons (9th Edition), pg. 12 - Khorne
Korzemayar II	War World / Mining World			Codex: Necrons (9th Edition), pg. 75 - Crusade Rules
Kossok's World[88e]
Kotrax[42j]	Ultima[42j]
Kovalic II		Ultima	Attacked by Aeldari pirates - presumably Dark Eldar. The resisting soldiers were killed, other inhabitants were taken into slavery.	Imperial Armour II - Ork, Eldar and Dark Eldar Vehicles for Warhammer 40,000, pgs. 5, 25
Krachordia	Jungle World / Feral World (former)			Codex: Thousand Sons (8th Edition), pg. 31 - Annals of the Arcane: The Beast Within
Kragh	Knight World		Rediscovered in 112.M41 after the abating of a localised Warp Storm that had raged in the region for over twenty millennia.	Codex: Imperial Knights (6th Edition) — The Time of Ending — First Contact
Krajnov				Codex: Space Marines (9th Edition), pg. 84 - Insignium Astartes
Kralos Prime				White Dwarf 489, pg. 110 — The Unforgiven
Krandor III[49d]	Dead World[49d]	Obscurus[49d]	Suffered a massive Chaos Cult-led rebellion in 853.M41.[49d]
Kreinaath		Obscurus	Word Bearers-held planet, near the Eye of Terror	Warhammer 40,000: Chaos Gate — Campaign Mission 13
Kreneddis	War World / Hive World			Codex: Chaos Space Marines (9th Edition), pg. 56 - Insignium Traitoris
Krieg[85c]	Death World / Hive World (former)[85c]	Tempestus[85c]	Home to the Death Korps of Krieg Imperial Guard.[85c]
Krogg's World	War World	Ultima		Codex: T'au Empire (9th Edition), pg. 48 — Insignia of Empire
Kromlok			Home to the Kromlok Dangler	Tyranids: Forgotten Fleets
Kronite[85h]	Feudal World[85h]	Obscurus[85h]
Kronus	Tomb World / Civilised World	Ultima		Warhammer 40,000: Dawn of War - Dark Crusade — Archive screen for Pavonis province
Krourk[97a]	Mining World[97a]	Solar[97a]	Recruiting grounds for the Krourk Ogryn Auxilia.[97a]
Kroxis				Necropolis (Novel), Chapter Nine
Kruun[68e]		Ultima[68e]	Nostramo Sector. Destroyed 012.M31[68e]
Ksi'm'yen[95c]	Tau Sept[95c]	Ultima[95c]	Founded during the Third Sphere of Expansion[95c]
Kudrun[8c]	Frontier World[8c]	Obscurus[8c]	Calixis Sector, Josian Reach[8c]
Kulth[8b]	War World[8b]	Obscurus[8b]	Calixis Sector / The Periphery / Spinward Front. Contested between Imperial and Ork Forces.[8b]
Kuluth[8b]	War World[8b]	Obscurus[8b]	Calixis Sector / Malfian Sub-sector[8b]
Kutgaard	Bastion World			Codex: Dark Angels (9th Edition), pg. 29 — Insignium Calibanus
KW-9	Gas Giant	Obscurus	Calixis Sector / The Periphery / Spinward Front	Only War: Enemies of the Imperium, pg. 40
Lackan XV				White Dwarf 260 (UK) pg. 71
Lacusta[8b]	Feral World[8b]	Obscurus[8b]	Calixis Sector, Drusus Marches[8b]
Laedira[28c]	Jungle World[28c]
Lagrans Alpha and Beta[33b]	Death World[33b]
Laius Rift	Death World			Laius Rift (saved archive page, dated 11 January 2007, last accessed 9 July 2024)
Lalinta Prime[85h]	Civilised World[85h]	Tempestus[85h]
Lambs World				Index Imperialis: Apocrypha, pg. 9
Lamius	Gas Giant	Ultima		Imperial Armour Volume Ten - The Badab War - Part Two, pg. 41
Lammas[14d]			Site of the Lammas Campaign.[14d]
Landariel	War World / Maiden World			Codex: Aeldari (9th Edition), pg. 65 - Colours of the Asuryani
Landunder[8b]	Hive World[8b]	Obscurus[8b]	Calixis Sector / Malfian Sub-sector[8b]
Lanorra[85h]	Hive World[85h]	Obscurus[85h]
Lassiv	Dead World		Hecuba Sector	Dark Heresy: Disciples of the Dark Gods, pg. 235
Last Planet				The Last Planet (Short Story) - The Successors (Anthology)
Last Reach[37a]
Lastrati[10a]	Hive World[10a]
Lathes	Forge World	Obscurus	Collective name for the trio formed by Hadd, Hesh, and Het	Dark Heresy Rulebook, pg. 324
Lautis	Jungle World			Wreck and Ruin (Novella), Chapter One
Lavantia	Adeptus Astartes Homeworld, Hive World, Desert World	Tempestus	Homeworld of the Night Swords Space Marine Chapter.	Imperial Armour Volume Two - Second Edition, pg. 8; Deathwatch: Rites of Battle, pg. 43
Laymon[55e]		Tempestus[55e]	Also known as Amarah III[55e]
Lector's Lowell[49g][49i][49j][49k]	Forge World[49g][49i][49j][49k]	Ultima[49g][49i][49j][49k]
Lehyde Ten[8b]	Frontier World[8b]	Obscurus[8b]	Calixis Sector, Adrantis Nebula[8b]
Lekkerbek			Lekkerbek System	Chaos Child (Novel), Two, Eight
Lentrel Prime[85f]	Forge World[85f]	Ultima[85f]	Vidar Sector. Contact lost in 925.M41[85f]
Lesh[33a]	Agri World[33a]
Lesser Nox	Death World			Redemption Corps (Novel), Part I, Chapter Six
Lethe Eleven	Ork World, formerly Hive World	Obscurus		White Dwarf 287 (UK), pg. 39
Lethys				Fanatic Online #17 - Fleshing Out Your Nemesis
Letum	Frontier World	Obscurus	Calixis Sector / The Periphery / Spinward Front	Only War: Core Rulebook, pgs. 332-333
Levion Gamma	Hive World (former)			Honours (Short Story)
Liberty V				Warhammer 40,000 4th Edition Rulebook, pg. 228
Libethra[55c]	Former Adeptus Astartes Homeworld, destroyed[55c]	Tempestus[55c]	Former Homeworld of the Angels Revenant.[55c]
Ligeria				The Strange Demise of Titus Endor (Short Story) — Hammer and Bolter 1, pg. 16
Lilia Mundi	Feral World / Adeptus Astartes Recruiting World			White Dwarf 324 (UK), pgs. 42–51 — Iron Will, Iron Blood
Lima Rogan				Codex: Sisters of Battle (2nd Edition), pg. 41
Limnus Epsilon	Imperial World			Faith and Fire (Novel), Chapter 5, pg. 42
Lind[8b]	Hive World[8b]	Obscurus[8b]	Calixis Sector, Malfian Sub-sector[8b]
Lissandro			Overrun by Daemons of Tzeentch	Codex: Chaos Daemons (6th Edition), pgs. 36–37
Llagris				Warlords of the Dark Millennium: Huron Blackheart, pg. 17
Lliax	Forge World			Hand Elect (Short Story)
Lo[82]	Hive World[82]	Obscurus[82]
Lodius		Pacificus		The Armour of Contempt (Novel), Walking Glory Road
Lolita	Agri-World	Obscurus	Calixis Sector / The Periphery / Spinward Front	Only War: Core Rulebook, pgs. 332-333
Londal Minor V				Imperial Armour Volume Eleven - Second Edition: The Doom of Mymeara, pg. 109
Lorek	Forest World			Blood of Iax (Novel), Chapter 4
Lorentian IV[37a]
Loriar[85h]	Death World[85h]	Tempestus[85h]
Lorin Alpha[2h]	Adeptus Astartes Homeworld[2h]	Solar[2h]	Homeworld of the Fire Angels Space Marine Chapter.[2h]
Lorin Sigma		Solar		The Horus Heresy Book Five - Tempest, pg. 71
Lorn V	Ice World			Dawn of War: Winter Assault
Loqiit	Xenos World	Pacificus	Homeworld of the Q'orl.	Xenology (Background Book), pg. 59
Loss[8b]	Feral World[8b]	Obscurus[8b]	Calixis Sector, Malfian Sub-sector[8b]
Lostok		Ultima	The source of the Lostok 23rd, an Imperial Guard Regiment of Gland War Veterans.	Inquisitor Rulebook, pg. 111
Lotus	Daemon World	Ultima	The Maelstrom. Devoted to Slaanesh.	Daemon Worlds: The Maelstrom — Lotus
Lucid Prime	Shrine World		Place of the Honour's End incident.	Codex: Space Wolves (5th Edition), pg. 19 — War in the Sea of Stars: Honour's End
Lucifere II	Jungle World			Warhammer 40,000: Kill Team Core Manual (2nd Edition), pg. 12 — Theatres of War
Lucius[14a]	Forge World[14a]	Obscurus[14a]
Luggnum[8b]	Mining World[8b]	Obscurus[8b]	Calixis Sector, Golgenna Reach[8b]
Lukekin	Hive World			Warhammer Siege, pg. 95 — Example Scenarios: A Rough Time at the Sector House
Lukius	Feudal World	Obscurus	Calixis Sector / The Periphery / Spinward Front	Only War: Core Rulebook, pgs. 332-333
Luther Mcintyre		Tempestus		Only War: Core Rulebook, pg. 320
Luther Macintyre IX	Death World / Desert World / Tomb World (hypothesized)	Tempestus	Homeworld of the Ambull Xenos	Warhammer 40,000: Rogue Trader, pg. 207
Luxor (Gothic Sector)	Imperial World	Obscurus		[Help]
Luxor (Helioret Sector)[2j]	Industrial World[2j]	Ultima[2j]	Location of the Luxor Uprising in 812.M41[2j]
Luxus Prime				Harlequin (Novel), Two
Luyten's World				Hunt for Voldorius (Novel), Chapter 9
LXD-9768	Archive World		Part of the Libraria project.	Red Fury (Novel), Chapter 5
Lyca				Wreck and Ruin (Novella), Chapter Three
Lynia				Legacy (Novel), Chapter 4
Lyttos	Agri-World			Last Stand on Yayor (Comic) - Flames of Damnation (Comic Anthology)
Ma'Caellia			Infested by Genestealers, hit by Exterminatus	Space Hulk (video game)
Maccabeus Quintus[8b]	Shrine World[8b]	Obscurus[8b]	Calixis Sector / Drusus Marches[8b]
Macharia (Donia Magna System)	Shrine World	Pacificus	Originally named Donia. Birthplace of Macharius.	White Dwarf 240 (UK), pg. 32
Macharia (Cadian System)	Hive World (former) / Dead World	Obscurus		Codex: Eye of Terror (3rd Edition), pg. 24
Machiun		Ultima	Training ground for Adeptus Arbites recruits	Crossfire (Novel), Chapter 2
Macragge	Adeptus Astartes Homeworld	Ultima	Homeworld of the Ultramarines, Capital World of Ultramar.	Codex: Space Marines (8th Edition), pg. 25
Maesa	War World	Obscurus	Calixis Sector / The Periphery / Spinward Front	Only War: Core Rulebook, pgs. 332-333
Mag[32f]	Dead World/Inquisitorial Fortress World[32f]	Ultima[32f]	Balor System[32f]
Magdelene IX	Ork World	Tempestus		Imperial Armour Volume Eight - Raid on Kastorel-Novem, pg. 75
Magnax V				Munitorum: Vortex Missiles (Background Book), pg. 3
Magnos Omicron	Forge World	Solar		[Help]
Magog	Chaos Fortress World, former Agri World	Ultima	Possibly orbited by a Blackstone Fortress	Deathwatch: The Achilus Assault, pg. 76
Magog	Obliterated World		Formerly a Warp-affected world like Prospero and Neva.	Faith and Fire (Novel), ch. 13
Magogue	Tomb World / Ocean World (former) / Industrial World (former)			Codex: Adeptus Mechanicus (8th Edition), pgs. 34–35 — The Quest for Knowledge: The Unknowable
Magrapolis[33c]	Hive World[33c]
Mahr'douk[42i]	Imperial World[42i]	Obscurus[42i]
Makron V[33b]	Death World[33b]
Malanthar VII[64d]
Malbolge IV				Iron Hands (Novel), Chapter 2, pg. 33
Malfi[8b]	Hive World[8b]	Obscurus[8b]	Calixis Sector, Malfian Sub-sector[8b]
Malice[8c]	War World[8c]	Obscurus[8c]	Calixis Sector, Hazeroth Sub-Sector. Frontline of the Wrack War.[8c]
Malpertuis	Adeptus Astartes Homeworld	Eastern Fringe	Chiaroscuro System	The Reverie (Novel), I
Malum	War World			Best Death Wins (Short Story) - Inferno! (2020) Vol.5
Malodrax[1o]	Fortress World (former)[1o]		Iron Warriors world, subjected to Exterminatus in 971.M41[1o]
Malvolion	Agri World (former) / Dead World			The Fall of Malvolion (Short Story)
Mancora[1g]	Adeptus Astartes Homeworld[1g] / Feudal World[2k] / Knight World[3]	Ultima[1g]	Home of Howling Griffons.[1g]	[1g]
Mandragora	Tomb World	Ultima	Crownworld of the Sautekh Dynasty.	Codex: Necrons (5th Edition), pg. 14
Maner[41c]
Mannia-4				Warhammer Adventures: Warped Galaxies - Attack of the Necron Extract - Chapter 3
Manus Cenita	Hive World	Obscurus	Calixis Sector / The Periphery / Spinward Front	Only War: Core Rulebook, pgs. 332-333
Manzipor	Civilised World	Ultima		First and Only (Novel) — The Founding (Omnibus), A Memory: Manzipor, Thirty Years Earlier (Interstitial between Parts Four and Five)
Mara[8c]	Forbidden World / Ice World[8c]	Obscurus[8c]	Calixis Sector / Hazeroth Sub-Sector[8c]
Marfak	Desert World			Warhammer 40,000: Chaos Gate — Target of Opportunity: Marfak
Mariach		Ultima		Bad Blood (Short Story)
Marioch[8c]	Frontier World[8c]	Obscurus[8c]	Calixis Sector / Adrantis Nebula[8c]
Mars[14a]	Forge World / Fortress World[14a]	Solar[14a]	Center of the Adeptus Mechanicus.[14a]
Marunda II	Agri World			Codex: Militarum Tempestus (6th Edition) — Regiments of the Militarum Tempestus
Marzan	Feudal World			Warhammer Siege, pg. 94 — Example Scenarios: A Gift from the Past
Mas			Thivian System	Dante (Novel), Chapter Nineteen
Masali	Desert World (former) / Agri World	Ultima	One of the nine worlds of Ultramar.	Codex: Space Marines (8th Edition), pg. 25
Mataras IV	Agri World (former) / Dead World	Ultima	Subjected to Exterminatus in 920.M37	Deathwatch Core Rulebook, pg. 39
Maypax	Death World			The 19'ers (Graphic Novel) - Warhammer Monthly 62
Medredax			Its population committed ritual suicide, incited by the Daemon Cherubael masquerading as a prophet.	White Dwarf 260 (UK), pg. 70
Medrengard	Daemon World	Obscurus	Current homeworld of the Iron Warriors	Dead Sky, Black Sun (Novel) — The Ultramarines Omnibus, Prologue, pgs. 524–528
Medusa[52a]	Hive World[52a]	Obscurus[52a]	Superseded in the lore by Medusa IV[52a]
Medusa IV	Adeptus Astartes Homeworld / Waste World / Death World (unofficial)	Obscurus	Home of Iron Hands.	First Founding (Background Book), pgs. 196-198 — Iron Hands: Home World
Medusa V	Mining World (former) / Dead World	Ultima	At the center of The Fall of Medusa V.	The Fall of Medusa V (booklet), pgs. 6-7
Megheim	Hive World			Warhammer 40,000 7th Edition Rulebook — Unimaginable Scale
Megiddio Primus	Death World			The Citadel Journal 22, pgs. 49–55, 59Fanatic Press
Mekbuda	Jungle World	Obscurus	Near the Eye of Terror.	Warhammer 40,000: Chaos Gate — Target of Opportunity: Mekuba
Mekslag-Ikks	Ork World	Tempestus	Formerly known as Kastorel-Novem	Imperial Armour Volume Eight - Raid on Kastorel-Novem, pg. 75
Melchior			Stripped of all human life by Nephilim just before the Great Crusade. Later conquered by the Blood Angels and Luna Wolves.	Fear to Tread (Novel), Prologue: Melchior
Melior-Tertia	Forge World	Ultima		The Honoured (Novella), Chapter 1
Melkamor[32e]	Mining World[32e]	Obscurus[32e]	Dhobash System[32e]
Melqart	Feral World	Obscurus	Calixis Sector / The Periphery / Spinward Front	Only War: Core Rulebook, pgs. 332-333
Menazoid Epsilon	Death World	Pacificus		First and Only (Novel) — The Founding (Omnibus), Part Five, Chapter One
Mendaxis[32f]	Shrine World[32f]	Ultima[32f]	Bane's Landing[32f]
Mendona	Ice World / War World	Ultima		Dawn of War: Dark Crusade, Polar Cap (Map Description)
Mephisto V[67b]
Mercia				White Dwarf 262 (UK), pg. 101
Merga	Jungle World			Warhammer 40,000: Chaos Gate — Target of Opportunity: Merga
Merida		Ultima	After the Necron attack in 666.M40 all Imperial colonists were gone without trace.	Battlefleet Gothic: Armada (Book), pg. 72
Meridian	Hive World	Ultima	Capital world of Subsector Aurelia	Warhammer 40,000: Dawn of War II, Single-player campaign
Merov[8b]	Hive World[8b]	Obscurus[8b]	Calixis Sector, Golgenna Reach[8b]
Merovincha	Hive World	Obscurus		Dark Heresy: The Radical's Handbook, pg. 101
Merrand				Rebel Winter (Novel), ch. 12
Mertiol	Colony World			Garro: Shield of Lies (Audio Book)
Mesmoch[70b]		Ultima[70b]	Pariah Nexus[70b]
Messia	Death World	Obscurus	Affiliation: Chaos	Black Crusade: The Tome of Blood, pgs. 102–104
Metalica[14a]	Forge World[14a]	Ultima[14a]	Home to the Legio Metalica[14a]
Methalor	Hive World	Solar		Codex: Sisters of Battle (2nd Edition), pg. 41
Methusela[32f]	Hive World[32f]	Ultima[32f]	Bane's Landing[32f]
Metron	Civilised World / Mining World			Warhammer World - Investigation on Glomus Campaign Weekend (Event) (saved archive page, dated 20 September 2016, last accessed 9 July 2024)
Mezoa[14a]	Forge World[14a]	Obscurus[14a]
Mezoa XV				Imperial Armour Volume Thirteen - War Machines of the Lost and the Damned, pg. 22 — The Martyred Sons
MG-Dyel		Ultima		Crossfire (Novel), Chapter 2
Milarro				Snares & Delusions (Short Story)
Minea[85b]	Hive World[85b]	Ultima[85b]
Minerva[97a]	Civilised World[97a]	Solar[97a]	Homeworld of the Minervan Tank Legions[97a]
Miral II	Jungle World	Tempestus	Saved from Hive Fleet Leviathan by the Imperial Fists Chapter.	Codex: Space Marines (7th Edition) — The Chronicles of Heroes - The Defense of Miral II
Mis'bah				The Bloodied Rose (Novella), Chapter 1
Mithra				Warhammer 40,000: Carnage
Mithron[46x]	Shrine World[46x]
M'khand[14a]	Forge World[14a]	Pacificus[14a]
M'Laar XIII[47a]	Daemon World[47a]		Fell to Khornate forces in M34[47a]
MMX 215[8b]	Forbidden World[8b]	Obscurus[8b]	Calixis Sector / Malfian Sub-sector[8b]
Modren Prime	Civilised World	Obscurus	Second planet of Modren’s Realm.	Rogue Trader: Twilight Crusade, pg. 34
Moebius	Tomb World	Ultima	Crownworld of the Nekthyst Dynasty.	Codex: Necrons (7th Edition), pg. 13
Mogahl Prime				White Dwarf 263 (UK) pg. 78
Moirae	Forge World		Destroyed in the Moirae Schism.	Imperial Armour Volume Ten, pg. 97
Moltova[85h][85i]	Hive World[85h][85i]	Ultima[85h][85i]
Monrass[8b]	Feral World[8b]	Obscurus[8b]	Calixis Sector / Drusus Marches[8b]
Monterosso		Tempestus	Caligari Sector	Silent Hunters (Novel), Part 1, ch. 1, ch. 7
Montsegnur	Adeptus Astartes Homeworld	Tempestus	Homeworld of the Red Hunters Space Marine Chapter.	Imperial Armour Volume Two - Second Edition, pgs. 8–9
Mordant Prime	Mining World	Tempestus	Home to the Mordant Acid Dogs Imperial Guard.	Codex: Astra Militarum (8th Edition) — A Galaxy of War
Mordax	Forge World (former) / Ork World	Obscurus	Captured during the Green Kroosade, now known as Moredakka	White Dwarf 287 (UK), pg. 39
Mordian[42c]	Hive World[42f]	Obscurus[42f]	Home to the Mordian Iron Guard Imperial Guard Regiments.[42f]
Mordriana III	Feral World / Jungle World	Obscurus		Warrior Brood (Novel) — Kill Squad: A Deathwatch Omnibus, Chapter 10, pgs. 139–140
Moredakka	Forge World / Ork World	Obscurus	Captured during the Green Kroosade, formerly known as Mordax	White Dwarf 287 (UK), pg. 39
Moriorum	Adeptus Astartes Homeworld	Tempestus	Homeworld of the Dark Eagles Space Marine Chapter.	Imperial Armour Volume Two - Second Edition, pgs. 8–9
Morisha		Ultima		Codex: Assassins (3rd Edition), pg. 12
Morlex	War World / Dead World / Mining World / Paradise World (former)			Warhammer World Event - Clash of Iron
Morlond	Fortress World	Pacificus	Contested between Imperial and Chaos forces during the Sabbat Worlds Crusade	Honour Guard (Novel), Epigraph before Chapter One
Mornax	Mining World	Solar	World of the Moebian Domain.	Warhammer 40,000: Darktide - Character Creation - Home World: Mornax
Morpheon	Daemon World	Ultima	The Maelstrom. Devoted to Tzeentch.	Daemon Worlds: The Maelstrom — Morpheon
Morod	Forge World			Day of Ascension (Novel), 2
Morrigar	Hive World (former) / Tomb World (former) / Dead World			Codex: Necrons (5th Edition), pg. 25 — A New Epoch Begins: The Ruin of Morrigar
Morrigor	Tomb World			Hammer and Anvil (Novel), Chapter Twelve, pg. 137
Mortikah VII	Adeptus Astartes Homeworld	Pacificus	Homeworld of the Guardians of the Covenant	Codex: Dark Angels (6th Edition), pg. 26
Mortressa[8b]	Death World[8b]	Obscurus[8b]	Calixis Sector, Adrantis Nebula[8b]
Morwen VI[8b]	Dead World[8b]	Obscurus[8b]	Calixis Sector, Adrantis Nebula. Orbitted by the Hippocrasian Agglomeration.[8b]
Mosul[8c]	Frontier World[8c]	Obscurus[8c]	Calixis Sector, Markayn Marches[8c]
Mpandex[14a]	Forge World[14a]	Obscurus[14a]
Mu'gulath Bay	T'au Sept / Hive World (former)	Ultima	Formerly known as Agrellan, captured during the Third Sphere of Expansion	Codex: Tau Empire (6th Edition), pgs. 32–34
Muiral'lathar	War World / Maiden World			Codex: Chaos Space Marines (9th Edition), pg. 59 - Insignium Traitoris
Mundus Planus	Adeptus Astartes Homeworld / Feral World	Ultima	Also known as Chogoris; home to the White Scars.	Codex Supplement: White Scars (8th Edition), pgs. 8-9
Mundus Pyra[1g]	Adeptus Astartes Homeworld[1g]	Ultima[1g]	Home to the Fire Lords.[1g]
Munsk[8c]	Feral World[8c]	Obscurus[8c]	Calixis Sector, Josian Reach[8c]
Murder	Death World		Originally designated One-Forty-Twenty, homeworld of the Megarachnids	Horus Rising (Novel), Part Two, chs. 1-2
Murzim	Desert World			Warhammer 40,000: Chaos Gate — Target of Opportunity: Murzim
Myosan	Agri World		Diosis System	Codex: Militarum Tempestus (6th Edition), pg. 50
Myr[85h]	Death World[85h]	Tempestus[85h]
Mysibis				Hunt for Voldorius (Novel), Chapter 1, pg. 11
Nachorn	War World			Codex: Harlequins (8th Edition), pg. 8 — The Fall of the Aeldari
Nagathar	Tomb World	Ultima		Codex: Necrons (5th Edition), pg. 82
Nahme[8b]	Mining World[8b]	Obscurus[8b]	Calixis Sector / Malfian Sub-sector[8b]
Nairuil	War World			Codex: Chaos Space Marines (9th Edition), pg. 67 - Insignium Traitoris
Na'jadar	Desert World			Iron Hands (Novel), Chapter 5, pg. 68
Nalahsa				The Purge (Novella), Chapter 5
Nalibraxis II	Jungle World			Codex: Imperial Knights (6th Edition) — The Time of Ending — Disaster on Nalibraxis II
Nanthrax III	Adeptus Astartes Recruiting World		Source of Aspirants for the Mantis Warriors	Warrior Brood (Novel) — Kill Squad: A Deathwatch Omnibus: Chapter 1
Naogeddon	Dead World			Codex: Necrons (3rd Edition), pgs. 6-7
Naos	Jungle World			Warhammer 40,000: Chaos Gate — Target of Opportunity: Naos
Natol Prime		Tempestus		Deliverance Lost (Novel), Chapter 10
ND0/K4[8c]	Mining World[8c]	Obscurus[8c]	Calixis Sector / Golgenna Reach[8c]
N'dras[95b]	Tau Sept[95b]	Ultima[95b]	Established during the Second Sphere of Expansion[95b]
Nachtwald	Adeptus Astartes Recruiting World		Under Angels of Vengeance control, used primarily by Angels of Absolution	Dataslate: Cypher, pgs. 23–25
Nebrus IX	Dead World			Redemption Corps (Novel), Chapter 4
Necris[1a]	Adeptus Astartes Homeworld[1a]	"Beyond Imperial boundaries"[1a]	Home of the Marines Exemplar.[1a]
Necromunda	Hive World / Adeptus Astartes Recruiting World	Solar	Formerly known as Araneus Prime	White Dwarf 130 (UK), pgs. 10-25
Ne'deble		Solar		The Horus Heresy Book Five - Tempest, pg. 71
Nedicta Secundus	Cardinal World			The Long Games at Carcharias (Short Story) — Victories of the Space Marines (Anthology), pg. 81
Nekkar	Forge World		Captured by the Word Bearers until Captain Kruger's Ultramarines Company defeated them.	Warhammer 40,000: Chaos Gate — Target of Opportunity: Nekkar
Nema	Shrine World	Ultima	Cirillo Sector, Golden Chain	The Martyr's Tomb (Novel), Appendix
Nemesis Tessera		Obscurus	Site of an Inquisition fortress.	Codex: Eye of Terror (3rd Edition), pg. 24
Neo Baku[85h]	Hive World[85h]	Ultima[85h]
Neptune	Imperial World	Solar		The Horus Heresy Book One - Betrayal, pg. 18
Nero IX				Chaos Child (Novel), Eight
Neutra[1g]	Adeptus Astartes Homeworld (former)[1g]	Obscurus[1g]	Home of the Relictors until they became fleet based[1g]
New Badab	Chaos Space Marine Homeworld	Ultima	Current stronghold of the Red Corsairs.	The Skull Harvest (Short Story)
New Bylar		Obscurus		Regia Occulta (Short Story)
New Klondike				Index Imperialis: Apocrypha, pg. 47
New Muin			Population sacrificed to the Blood God.	Deathwatch: Mark of the Xenos, pg. 101
Newfound[20b]	Adeptus Astartes Homeworld[20b]	Ultima[20b]	Home of the Genesis Chapter.[20b]
Newseam	Mining World	Ultima	Home to the Cult of the Rusted Claw.	Codex: Genestealer Cults (7th Edition) — Genestealer Cults of the Imperium
Nhadakin				War Zone Damocles: Mont'ka — Task Force Retribution Organisation
Nigrellum[32e]	Fortress World[32e]	Obscurus[32e]	Mordian System[32e]
Nihilas[1g]	Adeptus Astartes Homeworld[1g]	Ultima[1g]	Home of the Death Strike.[1g]
Nimboru	Ice World / War World			Codex: Chaos Space Marines (8th Edition) Updated, pg. 102 — Scions of Chaos
Nimbosa	Industrial World	Ultima	Focus of the Nimbosa Crusade.	Warhammer 40,000: Cities of Death, pgs. 56–57
Nishagar				Blood of Asaheim (Novel), Chapter One
Nithander				Echoes of Eternity (Novel), Chapter Seventeen
Nocturne	Adeptus Astartes Homeworld / Death World	Ultima	Home of the Salamanders.	Index Astartes IV, Promethean Warriors
Nonimax[56h]	Hive World[56h]	Pacificus[56h]	Liberated from Chaos forces in 765.M41[56h]
Nomanus	Industrial World			Warhammer 40,000: Chaos Gate — Target of Opportunity: Nomanus
Norada VII	War World	Solar		Codex: Astra Militarum (9th Edition), pgs. 10-11
Norcarmos V		Obscurus	Calixis Sector	Dark Heresy: Creatures Anathema, pg. 50
Nostramo	Destroyed/ Adeptus Astartes Homeworld (former) / Hive World (former)	Ultima	Nostramo Sector. Former home world of the Night Lords.	Index Astartes II, Bringers of Darkness (pg. 27)
Nove Shendak			Also known as World Eight-Two-Seventeen	After Desh'ea (Short Story)
Nox	Death World	Obscurus	Calixis Sector / The Periphery / Spinward Front	Only War: Core Rulebook, pgs. 332-333
Nox Alpha	Death World	Solar	Moebian Domain Fringe world where the Moebian 6th regiment succumbed to Nurgle corruption and turned traitor.	Warhammer 40,000: Darktide
Nullivar	Forge World			Codex: Adeptus Mechanicus (10th Edition), pg. 22
Nurth[7a]	Dead World[7a]
Nyarr	Hive World			Codex: Space Marines (8th Edition), pg. 125 — Champions of Humanity
Nymidae	Adeptus Astartes Recruitment World / Tomb World		Recruitment world for the Dark Angels Chapter.	White Dwarf 403 (UK) (ipad version) — Battle Report: Siege of the Angels' Redoubt
Nysairene Delta	Forge World		Fell to Chaos in M42.	Codex: Chaos Knights (8th Edition), pg. 4
Obsidia[1g]	Adeptus Astartes Homeworld[1g]	Ultima[1g]	Home of the Sable Swords.[1g]
Obdura	Imperial World		Home of the 91st Obdura Siege Infantry.	Only War: Hammer of the Emperor, pg. 36
Obfuscane[32e]	Industrial World[32e]	Obscurus[32e]	Mordian System[32e]
Occludus[1g]	Adeptus Astartes Homeworld[1g]	Ultima[1g]	Nostramo Sector. Home of the Death Spectres.[1g]
Octarius	Ork World	Ultima	Also known as Octaria or Octavius; capital of the Ork Empire of Octarius	Codex: Tyranids (5th Edition), pgs. 29–31
Odecima Tertius				Codex: Drukhari (8th Edition), pg. 78 — Pageantry of Commorragh
Oestragon III				Xenocide (Short Story) — 25 for 25 (Anthology), pg. 512
Ogris Major[42i]		Pacificus[42i]
Ogrys[1g]	Adeptus Astartes Homeworld[1g]	Ultima[1g]	Home of the Invaders.[1g]
Ohmsworld	Hive World	Obscurus	Calixis Sector / The Periphery / Spinward Front	Only War: Enemies of the Imperium, pg. 13
Okki			Night Lords' Fief World during the Horus Heresy	Warhammer Community: Solar Auxilia – The Heraldry of Honour Part 3 (posted 13/6/2024) (Saved archive page, dated 30 July 2024, last accessed 30 July 2024, original link: https://www.warhammer-community.com/2024/07/30/solar-auxilia-the-heraldry-of-honour-part-3/)
Okku Station				White Dwarf 469, pg. 122 — The Horus Heresy: Armour Through the Ages
Olama				Wolf King (Novella), Chapter 2
Oldarian				Warlords of the Dark Millennium: Huron Blackheart (Background Book), pg. 7
Olympia	Dead World / Adeptus Astartes Homeworld (former)	Ultima	Former home of the Iron Warriors.	Index Astartes I, Bitter and Twisted (pg. 35)
Omeros				Index Astartes: Company Champions, pg. 15
Omicron Epsilon				Codex: Imperial Guard (3rd Edition, 2nd Codex), pg. 7
Omnicron 71-DX[8b]	Forge World[8b]	Obscurus[8b]	Calixis Sector / Adrantis Nebula[8b]
Omus-2.8[33a]	Agri World[33a]
Ondermanx				First and Only (Novel), Part Six, Chapter Two
Ootheca	Adeptus Astartes Homeworld		Former homeworld of the Mantis Warriors Chapter, ceded to the Carcharodons after the Badab War.	Codex: Space Marines (8th Edition, 2nd Codex), pg. 40
Ophelia VII	Cardinal World / Shrine World / Forge World	Tempestus	Seat of the Synod Ministra and Convent Sanctorum	Warhammer 40,000 4th Edition Rulebook, pg. 98
Ophelion				White Dwarf 408 (UK) (ipad version) — A Chapter Divided
Opus Macharius[8b]	Forge World[8b]	Obscurus[8b]	Calixis Sector, Drusus Marches[8b]
Orana[42i]		Ultima[42i]	Imperial World[42i]
Orar[91c]	Hive World[91c]	Obscurus[91c]
Orask	Frontier World/Fortress World	Ultima		Imperial Armour - Apocalypse II, pg. 79
Orbal				Harelquin (Novel), One
Orbel Quill[8b]	Agri World[8b]	Obscurus[8b]	Calixis Sector, Malfian Sub-sector[8b]
Orbiana	Feral World	Obscurus	Calixis Sector / The Periphery / Spinward Front	Only War: Core Rulebook, pgs. 332-333
Orcus	Penal World	Obscurus	Calixis Sector / The Periphery / Spinward Front	Only War: Core Rulebook, pgs. 332-333
Ordana	Forge World			Imperial Armour - Apocalypse II, pg. 11
Orelia				Blood of Asaheim (Novel), Chapter One
Orendel's Tomb[8c]	Shrine World[8c]	Obscurus[8c]	Calixis Sector, Josian Reach[8c]
Orestes[88a]	Forge World / Knight World[88a]	Pacificus[88a]
Oriad	Mining World	Obscurus	Calixis Sector / The Periphery / Spinward Front	Only War: Core Rulebook, pgs. 332-333
Oriflame				Deathwatch: Honour the Chapter, pg. 34
Orina Septimus			Hyrus system	The Prisoner (Short Story)
Orinoca	Hive world	Obscurus	Askellon Sector	Dark Heresy Second Edition: Core Rulebook, pg. 322
Orlen				Blood Gorgons (Novel), Chapter 3
Orlenza Triartes[35b]
Ormus				Imperial Knight Companion, pg. 57
Ornsworld[91b]	Ratling World[91b]	Obscurus[91b]	Gothic Sector[91b]
Orpheus Prime	Adeptus Astartes Homeworld / Adeptus Astartes Recruiting World (former)	Ultima	Homeworld of the Praetors of Orpheus Chapter.	Codex: Imperial Knights (6th Edition), pg. 13
Orphidia Delta	Hive World			Fanatic Online #2 - Emil Van Venkman - Rogue Bounty Hunter
Orphia	Hive World	Obscurus	Caliban Sector	White Dwarf 292 (UK), pg. 97
Orphidia Prime	Hive World			Fanatic Online #2 - Emil Van Venkman - Rogue Bounty Hunter
Orrok[32f]	Dead World[32f]	Ultima[32f]	Octarius System[32f]
Orthoda Rex	Cardinal World			Crusade For Armageddon (Novel), Chapter 5
Oscillia IX[56i]		Pacificus[56i]	Was occupied by the forces of Chaos.[56i]
Osiris	Dead World		Destroyed by the Inquisition	Signal to Noise (Short Story)
Ossorian[33c]	Hive World[33c]
Ossuar	Shrine world	Obscurus	Askellon Sector	Dark Heresy Second Edition: Core Rulebook, pg. 322
Ossulon	Industrial World			White Dwarf 457, pgs. 10-17 - The Terminus (Short Story)
Otranti	Gas Giant		Orange. Orbited by a prison-fortress operated by Inquisitor Cehen-qui, which was attacked by Belisarius Cawl.	To Speak as One (Short Story)
Ouranos	Paradise World			Silent Hunters (Novel), Part One, Chapter 4
Outremer	Maiden World			Throneworld (Novel), Chapter 6
Outrenacht[1g]	Adeptus Astartes Homeworld[1g]	Obscurus[1g]	Home of the Legion of Night.[1g]
Owwen[41a]	Hive World[41a]
Oxatan[1g]	Adeptus Astartes Homeworld[1g]	Ultima[1g]	Home of the Red Legion.[1g]
Palamar Secundus				Scars (Novel), Chapter 2
Palatine III	War World / Forge World / Ork World			Fanatic Online #1 — Avicennas Warband
Palaxion II	Shrine World		Site of the Cauldon of Biletide battle between incurring Nurgle Daemons and the Grey Knights.	White Dwarf 376 (UK), pg. 15 – The Cauldon of Biletide
Palinurus Rhys[8c]	Frontier World[8c]	Obscurus[8c]	Calixis Sector, Josian Reach[8c]
Palis II	Dead world			Warhammer Citadel: New Hobbyist Expo Update - Escape from Palis II
Palladium[10c]			Imperial colony[10c]
Palomar[81d]	Dead world / Forge World (former)[81d]
Palrec	Shrine World	Ultima	Cirillo Sector, Golden Chain	The Martyr's Tomb (Novel), Appendix
Pandora Prime	Hive world		Invaded by Eldar, Ork and Chaos forces.	[Help]
Panetha Varn			The planet's Decagogue's hedonistic priesthood was defeated by Inquisitor Covenant.	Exterminatus Issue 6 pgs. 24-27
Panell IV				Warhammer 40,000: Dawn of War II - Chaos Rising — Lance of Polyphemus, wargear selection screen
Parabellus III	Forge World			Codex: Astra Militarum (8th Edition), pg. 12 — Astra Militarum Company Organisation: The Mechanicus and the Guard
Parabulus			Base of pirates	Codex: Dark Angels (7th Edition) — In the Name of Absolution - To Catch Cypher
Paragane[33d]	Feudal World[33d]
Paraghast	Hive World		Attacked by Chaos forces in 904.M41	Codex: Chaos Daemons (6th Edition), pgs. 38–39
Paragon[1g]	Adeptus Astartes Homeworld[1g]	Solar[1g]	Home of the Emperor's Hands.[1g]
Paramar		Solar	Imperial World	Codex: Chaos (2nd Edition), pg. 48
Paramar V		Solar	Under the domain of the Adeptus Mechanicus	The Horus Heresy Book Three - Extermination, pgs. 18-19
Paraxus	Adeptus Astartes Recruiting World		Provides Aspirants to the Sons of Guilliman Chapter.	White Dwarf 72 (2015) — Parade Ground
Pardaeon Alphus	War World	Ultima		Warhammer: Visions 22, pg. 13 - Tau Empire Warhammer: Visions
Parosa	Dead World	Ultima		Warriors of Ultramar (Novel) — The Ultramarines Omnibus, Chapter Four
Pascaari	War World	Obscurus		Warhammer World Event - The Hunt for Battlefleet Kruvek
Pavane	Imperial World	Solar	Recently discovered human world in the Moebian Domain.	Warhammer 40,000: Darktide - Character Creation - Home World: Pavane
Pavar V	Agri World			Imperial Armour Volume One - Second Edition: Imperial Guard, pg. 17
Pavia	Colony World			Deathwatch (Graphic Novel) – Deathwatch
Pavonis	Mining World / Tomb World	Ultima	Location of the Night Bringer.	Codex: Necrons (3rd Edition), inside back cover
Pax	Gas Giant	Obscurus	Belongs to Rogue Trader Vyr Modren (see also Modren's Realm).	Rogue Trader: Twilight Crusade, pg. 35
Pech		Ultima	Homeworld of the Kroot, part of the T'au Empire	White Dwarf 264 (UK), pgs. 94-98 — Index Xenos: Savage Evolution
Pelius				Fist of Demetrius (Novel), Chapter 14, pgs. 91–92
Pellucida IX[8b]	Mining World[8b]	Obscurus[8b]	Calixis Sector / Drusus Marches[8b]
Pelucil		Ultima		Codex: Death Guard (8th Edition), pg. 23 — The Great Brewing
Penolpass[8b]	Feudal World[8b]	Obscurus[8b]	Calixis Sector / Malfian Sub-sector[8b]
Penolpass[8b]	Feudal World[8b]	Obscurus[8b]	Calixis Sector / Malfian Sub-sector[8b]
Pentari[50]
Perditia				Codex: Dark Angels (8th Edition), pg. 38 — Close Support Squads
Perechar	Adeptus Astartes Homeworld	Obscurus	Close to the Eye of Terror	Codex: Chaos Daemons (9th Edition), pg. 37 - The Eye of Terror
Perinetus[8b]	Forge World[8b]	Obscurus[8b]	Calixis Sector, Adrantis Nebula[8b]
Periremunda	Civilised World	Ultima		Duty Calls (Novel), Editorial Note after Chapter One, pg. 18
Perlia	Civilised World	Ultima		Death or Glory (Novel), Chapter One, pg. 18
Perpetua[33c]	Hive World[33c]
Persepolis	Hive World	Pacificus		Imperium Maledictum, pgs. 263-264
Pertinax	Feudal World	Obscurus	Calixis Sector / The Periphery / Spinward Front	Only War: Core Rulebook, pgs. 332-333
Pervigilium	Adeptus Astartes Homeworld	Obscurus	Home of the Angels of Vigilance	Third War For Armageddon - Imperial Forces: Angels of Vigilance (saved archive page, dated 20 August 2006, last accessed 9 July 2024)
Phaedox XIII	War World			Codex: Chaos Daemons (9th Edition), pg. 47 - Infernal Panoply
Phaedra	Ocean World	Eastern Fringe	Home of the Saathlaa.	Fire Caste (Novel)
Phaenon Prime	Dead World / Penal World (former) / Hive World (former)	Obscurus		Dark Heresy: The Radical's Handbook, pgs. 118–120
Phaethon IV	Tomb World / Industrial World (former)			The Long Games at Carcharias (Short Story) — Victories of the Space Marines (Anthology), pg. 81
Phaeton[14a]	Forge World[14a]	Solar[14a]	Origin of a common pattern of Leman Russ Battle Tank and Chimera variants; home to the Legio Osedax[14a]
Phagir[8c]	Dead World[8c]	Obscurus[8c]	Calixis Sector, Hazeroth Sub-Sector[8c]
Phagos VII	Daemon World	Obscurus	Eye of Terror Devoted to Nurgle	Daemon Worlds: The Eye of Terror — Phagos VII
Phaistos Osiris	Cardinal World	Ultima		Imperial Armour Volume Ten - The Badab War - Part Two, pgs. 76–78
Phalan 10	Industrial World			Codex: Chaos Daemons (6th Edition), pg. 35
Pharaxes				Assassinorum: Kingmaker (Novel), Chapter 5
Phenosia				Rebel Winter (Novel), Chapter 3
Phobian[1g]	Adeptus Astartes Homeworld[1g]	Tempestus[1g]	Home of the Dark Hunters.[1g]
Phobos	Imperial World		Not to be confused with the Martian moon of the same name	The Thirteenth Black Crusade (Background Book), pg. 91
Phorus	Quarantined World	Ultima Segmentum	Part of Signus Cluster	Fear to Tread (Novel) - Chapter Five
Phraeges III	War World	Ultima	Outer edges of the Red Scar.	Codex Supplement: Blood Angels (10th Edition), pg. 47 - Showcase: The Sanguinary Brotherhood
Phyressia			Home world of the Phyressian Armoured regiments of the Imperial Guard.	Imperial Armour - Imperial Vehicles for Warhammer 40,000, pg. 37
Phyrr[8c]	Death World[8c]	Obscurus[8c]	Calixis Sector, Hazeroth Sub-Sector[8c]
Picus[91g]	Agri World[91g]	Obscurus[91g]
Piety[82]	Hive World[82]	Obscurus[82]
Piety of Seth[8c]	Shrine World[8c]	Obscurus[8c]	Calixis Sector, Adrantis Nebula[8c]
Pilgrim's Pause[8c]	Cemetery World[8c]	Obscurus[8c]	Calixis Sector, Hazeroth Sub-Sector[8c]
Pimonedes Alpha				Eternal War (Comic Anthology) — A Good Day To Die
Pintax[42i]		Tempestus[42i]	Imperial World[42i]
Pireaus II[2x]		Ultima[2x]	Imperial World with a notable Lunar Colony[2x]
Pireaus V[2x]	Industrial World[2x]	Ultima[2x]	Imperial World[2x]
Pireaus VII[2x]	Gas Giant[2x]	Ultima[2x]	Imperial World with a notable Lunar Colony: Kritias Secundus.[2x]
Piscina IV[53b]	Mining World[53b]	Solar[53b]	In a constant battle with Orks.[53b]
Plague Planet	Daemon World	Obscurus	Formerly known as Eliathada; current homeworld of the Death Guard	Realm of Chaos: The Lost and the Damned, pgs. 256–257
Planet 7/2[70c]		Ultima[70c]	Pariah Nexus[70c]
Plarsdek	Industrial World			Codex: Adeptus Custodes (9th Edition), pg. 43 - The Splendour of Holy Terra
Pleuvus Seven				From the Blood (Short Story) — Flesh Tearers (Anthology)
Pluto		Solar	Location of a Tech-Enclave within the Sol System before the Horus Heresy	Horus Heresy round table – The origins of Saturnine armour
Plutol			Abaddon had most of the population killed when priests of a wilderness shrine refused to bow to his authority.	Warlords of the Dark Millennium: Abaddon the Despoiler, pg. 7
Pluvioris	Daemon World	Obscurus		White Dwarf 282 (UK), pg. 21 — The Eye of Terror — Daemon Worlds
Poina 77	Mining World	Obscurus	Calixis Sector / The Periphery / Spinward Front	Only War: Core Rulebook, pgs. 332-333
Polom[33a]	Agri World[33a]
Pontus			Eastern Fringe	Relentless (Novel), Three
Porphetus[81b]	Dead World / Forge World (former)[81b]		Destroyed by Tyranids.[81b]
Porphyry	Mining World	Obscurus	Calixis Sector / The Periphery / Spinward Front	Only War: Enemies of the Imperium, pg. 42
Port Sanctus	Fortress World	Solar	Imperial Navy base.	The Emperor Expects (Novel), ch. 19
Port Veruca	Imperial World			Blood Gorgons (Novel), Chapter 18
Port Wrath[8b]	Special World. Headquarters for Battlefleet Calixis[8b]	Obscurus[8b]	Calixis Sector, Drusus Marches.[8b]
Poscol				First and Only (Novel) — The Founding (Omnibus), Part Five, Chapter Eight
Posul	Destroyed — Adeptus Astartes Homeworld (former) / Feral World (former)	Tempestus	Former home of the Mortifactors.	Codex: Tyranids (5th Edition), pg. 28
Praedis Zeta[49m]	Hive World / Adeptus Astartes Homeworld[49m]	Ultima[49m]	Home to the Imperial Reavers.[49m]
Praesidia	Adeptus Astartes Homeworld / Death World / Desert World	Ultima	Homeworld of the Sons of Guilliman Space Marine Chapter.	Codex Supplement: Ultramarines (8th Edition) - Successor Chapters
Praesteum's Forge[74d]	Dead World[74d]		Imperium Nihilus. Subjected to Exterminatus after the opening of the Great Rift.[74d]
Praetoria	Hive World	Tempestus	Home to the Praetorian Guard Imperial Guard Regiments.	"Massacre at Big Toof River" - UK Gamesday '97 Programme
Pramatia[7e]
Pranagar[32d]	Adeptus Astartes Homeworld (former)[32d]	Tempestus[32d]	Home of Sky Sentinels, overrun by Chaos forces during the 13th Black Crusade[32d]
Prandium	Dead World / Garden World (former) / Agri World (former)	Ultima	Consumed by Hive Fleet Behemoth in 745.M41	Codex: Space Marines (8th Edition), pg. 25
Prandium II		Ultima	Fields the Prandium 30th Ultramar Auxiliary Regiment	Dark Imperium (Novel) (2017 Epub Version)
Prassrum[42i]		Ultima[42i]
Praxis II[32g]	War World[32g]
Prester Myra[8c]	Cemetery World[8c]	Obscurus[8c]	Calixis Sector / Josian Reach[8c]
Pretannis VII	Feudal World			White Dwarf February 2020, pg. 59 — Indomitus Crusade Heroes
Preyspire[1g]	Adeptus Astartes Homeworld[1g]	Ultima[1g]	Home of the Hawk Lords.[1g]
Priory II	War World			Codex: Space Wolves (3rd Edition), pg. 26
Prism[1g]	Adeptus Astartes Homeworld[1g]	Ultima[1g]	"Records deleted"[1g]
Prixetti VII				Black Crusade: The Tome of Excess, pg. 7
Profundis	War World			Codex: Deathwatch (9th Edition), pg. 24 - Knights of the Long Vigil
Prol IX[8c]	Hive World[8c]	Obscurus[8c]	Calixis Sector / Markayn Marches[8c]
Promada IV				Unification (Short Story) - Warriors and Warlords (Anthology)
Prosperis II	War World	Ultima		Codex: T'au Empire (9th Edition), pg. 40 - Insignia of Empire
Prospero	Destroyed — Adeptus Astartes Homeworld (former)	Ultima	Former home of the Thousand Sons; under reconstruction after the formation of the Great Rift	Index Astartes III, Masters of Forbidden Knowledge - The Thousand Sons Space Marine Legion, pg. 68
Protasia[8b]	Hive World War World[8b]	Obscurus[8b]	Calixis Sector, Drusus Marches[8b]
Protheus		Obscurus	The planet had billions of its population turned into Plaguebearers by Typhus, Herald of Nurgle.	Warlords of the Dark Millennium: Typhus, pg. 8, Typhus the Traveller
Providence Lenticula				First and Only (Novel) — The Founding (Omnibus), A Memory: Khedd 1173, Sixteen Years Earlier (Interstitial between Parts Five and Six)
Proxima-III[85b]	Quarantined World[85b]
Proxima Trantor[62a]	Xenos World (former)[62a]
Puhl-puhl[28e]	Swamp World[28e]
Punzel[36]		Obscurus[36]	Scarus Sector, Helican Subsector[36]
Purgatory (World)		Ultima		Index Chaotica - Noise Marines — Ambush in Blackpass
Purgatory	Research Station	Obscurus		Codex: Chaos (2nd Edition), pg. 48
Purgatory of Soubirous[8c]	Mining World[8c]	Obscurus[8c]	Calixis Sector, Hazeroth Sub-Sector[8c]
Purge III[33d]	Shrine World / Death World[33d]
Pylar	Ice World	Obscurus	Part of Modren's Realm	Rogue Trader: Twilight Crusade, pg. 35
Pyr				Blood of Iax (Novel), Chapter 4
Pyran	Civilised World	Solar	Home to the Pyran Dragoons Imperial Guard.	Armageddon Site (saved archive page, dated 23 August 2003, last accessed 9 July 2024)
Pyrantis	Molten World	Ultima		Imperial Armour Volume Ten - The Badab War - Part Two, pg. 40
Pyrites	Civilised World	Pacificus		First and Only (Novel), Part Four, Chapter One
Pyrrhia	Tomb World			Codex: Necrons (5th Edition), pg. 62
Qavalon				Brotherhood of the Storm (Novella), Chapter 3
Qietto				Rebel Winter (Novel), Chapter 12
Quaddis[8b]	Paradise World[8b]	Obscurus[8b]	Calixis Sector, Golgenna Reach[8b]
Quanta Magnifica	War World			Codex: Drukhari (9th Edition), pg. 40 — A Sinister Spectacle
Quatara-Prime	Desert World			Imperial Armour - Imperial Vehicles for Warhammer 40,000, Inside front cover
Quatra	Desert World			Warhammer 40,000: Dawn of War - Dark Crusade, Quatra (Map Description)
Quintarn[1c]	Agri World / Desert World[1c]	Ultima[1c]	One of the nine worlds of Ultramar.[1c]
Queh-quih	Sept World	Ultima	Kroot Sept World of the Tau Empire.	Fire Warrior (Novel), Chapter 3, pg. 60
Quintus[1l]	Industrial World[1l]	Ultima[1l]
Quisto'rol[42j]		Ultima[42j]
Qulus Trine[79b]	Merchant World[79b]
Racion[54]	Feudal World[54]
Radnar	Dead World / War World / Hive World (former)	Ultima	Invaded by Hive Fleet Kraken.	Orphans of the Kraken (Short Story)
Rahjez[44b]		Ultima[44b]	Subsector Fantomine[44b]
Raikan[1g]	Adeptus Astartes Homeworld[1g]	Tempestus[1g]	Home of the Red Talons.[1g]
Ralephos	Archival World	Ultima		Codex: Orks (7th Edition)[Help]
Ral'eth[48l]	T'au Sept (former)[48l]	Ultima[48l]
Ramenghal	Civilised World			Codex: Blood Angels (8th Edition), pg. 23 — A Chronicle of Heroes: From Beyond the Veil
Ramillon IV				Warhammer: Visions 21, pg. 158 — Parade Ground Warhammer: Visions
Rana	Jungle World			Warhammer 40,000: Chaos Gate — Target of Opportunity: Rana
Rand XXI	Desert World		Held by the Adepta Sororitas.	Lesser Evils (Short Story) — Hammer and Bolter 13, pgs. 85–87
Rann	Sept World	Ultima		Fire Warrior (Novel), Chapter 3, pg. 70
Ra'pson[58a]
Rassios[85h]	Hive World[85h]	Solar[85h]
Raxos[17a]	Hive World (former)[17a]
Rayvenscrag IV[81c]
Rebus			Night Lords' Fief World during the Horus Heresy	Warhammer Community: Solar Auxilia – The Heraldry of Honour Part 3 (posted 13/6/2024) (Saved archive page, dated 30 July 2024, last accessed 30 July 2024, original link: https://www.warhammer-community.com/2024/07/30/solar-auxilia-the-heraldry-of-honour-part-3/)
Redemption 219	Shrine World			Cult of the Spiral Dawn (Novel), Chapter Eleven
Regallus				Steel Daemon (Novella), Part 1
Regulus[8c]	Agri World[8c]	Obscurus[8c]	Calixis Sector, Hazeroth Sub-Sector[8c]
Rentyr Prime				Conquest 64 — Space Marines: Drop Pods
Reshia[8c]	Shrine World[8c]	Obscurus[8c]	Calixis Sector, Josian Reach[8c]
Resthur	Death World	Pacificus		Leviathan (Box) Rulebook, pg. 245
Reth[8b]	Paradise World[8b]	Obscurus[8b]	Calixis Sector, Adrantis Nebula.[8b]
Revelet Taredes	Gas Giant			Scars (Novel), Chapter 1
Rexus IX				Last Step Backwards (Short Story)
Reznor		Obscurus	Uninhabited	White Dwarf 291 (UK), pg. 96
Rhanda	Civilised World / Mining World	Solar		Codex: Sisters of Battle (2nd Edition), pg. 39
Rho-Delpha[32e]	Forge World[32e]	Obscurus[32e]	Mordian System[32e]
Rhodin IV	Forge world	Obscurus	Askellon Sector	Dark Heresy Second Edition: Core Rulebook, pg. 322
Rhodus	War World			The Rewards of Tolerance (Short Story)
Rhorsch	Jungle World / Shrine World		Invaded by Blood Cults, but saved by the Mortifactors and Raven Guard.	Codex: Space Marines (7th Edition) — The Chronicles of Heroes - In Blood and Shadows
Rianoen[85m]	Exodite World[85m]	Ultima[85m]
Rigeal	Dead World	Ultima		Imperial Armour Volume Ten - The Badab War - Part Two, pg. 40
Riggion[36]		Obscurus[36]	Scarus Sector, Angelus Subsector[36]
Rilaea Secundus	Agri World			Shadowbreaker (Novel), Chapter 64
Rith			Convent world.	The Eternal Crusader (Novella), Chapter 3
Ritzos			Imperial world.	The Thirteenth Black Crusade (Background Book), pg. 91
Rocyria	Agriworld	Solar	A world of the Moebian Domain.	Warhammer 40,000: Darktide - Character Creation - Home World: Rocyria
Ronja			Its civilisation was extinguished in a single night by the Daemon Prince Cherubael	White Dwarf 260 (UK) pg. 70
Rook				Imperial Armour Volume Two - Second Edition: War Machines of the Adeptus Astartes, pg. 190
Rovanat IV				Fanatic Online #31 - Swords of the Unfaithful
Ruden III[12c]
Ruhr III	Mining World			Warhammer 40,000: Squad Command
Rustfane	Industrial World / Desert World		In the service of the Adeptus Mechanicus	Leviathan (Box) Rulebook, pg. 156
Ryboth[8c]	Forge World[8c]	Obscurus[8c]	Calixis Sector / Markayn Marches[8c]
Rygar				Codex: Space Wolves (8th Edition), pg. 33 — Harald Deathwolf
Rylan			Site of The Dawn Hammer battle in 766.M37.	Dataslate: Space Marines Strike Force Ultra (Background Book), pg. 13
Rymoria	War World			White Dwarf August 2019 — For the Emperor (Short Story), pgs. 68-69
Rynn's World	Adeptus Astartes Homeworld / Agri World	Ultima	Home of the Crimson Fists.	Warhammer 40,000: Rogue Trader, pgs. 62–66
Ryza	Forge World / War World	Ultima		Imperial Armour - Imperial Vehicles for Warhammer 40,000, pg. 16
Sa'cea	Tau Sept	Ultima		White Dwarf 263 (UK), pg.20
Sabatine[32b]	Daemon World / Adeptus Astartes Homeworld (former)[32b]	Pacificus[32b]	Original home of the White Consuls, overrun by Chaos forces after the formation of the Great Rift[32b]
Sable		Ultima		Honours (Short Story), pg. 3
Sabriel	Unclassified	Obscurus	Calixis Sector / The Periphery / Spinward Front	Only War: Core Rulebook, pgs. 332-333
Sabulorb				The Alien Beast Within (Short Story)
Sacris[8b]	Forbidden World Adeptus Astartes Homeworld[8b]	Obscurus[8b]	Calixis Sector, Drusus Marches. Homeworld of the Storm Wardens Chapter.[8b]
Saganor	Quarantined World / Jungle World			Dawn of War: Dark Crusade: Forbidden Jungle (Map Description)
Sagasitane II[32f]	Death World[32f]	Ultima[32f]	Bane's Landing. Location of a Tempestus Scion training facility.[32f]
Sagathis	Agri World			Fall of Cadia (Novel), Phase Three, ch. 3
Saharrin	War World			Conquest 48 — Deadly Pursuit
St. Astrid's Fall[8c]	Frontier World[8c]	Obscurus[8c]	Calixis Sector, Hazeroth Sub-Sector[8c]
St Capilene	Missionary World			White Dwarf 257 (UK), pg. 95
Saint Cyllia's World				Codex: Astra Militarum (8th Edition), pg. 31 — Heroes Beyond Number: The Saint Cyllia Aftermath
Saint Lykon's Repose[33d]	Shrine World[33d]
Saint Marduk's Bane[55b]	Dead World / Hive World (former)[55b]	Tempestus[55b]	Formerly known as Colkasth.[55b]
St Rezmond’s Hope	Ork World / Shrine World (former)			White Dwarf 452, pg. 38
Saint's Lament	War World			Codex: Genestealer Cults (9th Edition), pg. 44 — The Faithful Throng
Salem	Dead World	Ultima	Asteroid-monastery, attacked by Hive Fleet Kraken in 991.M41	Codex: Tyranids (6th Edition) (e-book) — The Second Tyrannic War
Salem Proctor	Cardinal World		Site of the Salem Proctor Rebellion	Codex: Witch Hunters (3rd Edition), pg. 45
Salkizor[7c]
Sallan's World	Ice World		Site of the Sallan's World Offensive.	Imperial Armour - Imperial Vehicles for Warhammer 40,000, pg. 62
Salomine[23a]	T'au Colony[23a]	Ultima[23a]
Saltire Vex	Industrial World	Ultima	Chalnath Expanse	War of Secrets (Novel), Prologue
Samarkis	War World / Ocean World / Mining World			Warhammer Community: The Best Battle Reports Ever – Warhammer Staff Relive Their Favourite Throwdowns (Posted on 03/05/2024) (Last accessed on 03/05/2024)
Samax IV	Agri World			Xenocide (Short Story)
Samech	Hell Forge	Ultima		Deathwatch: The Achilus Assault, pgs. 91–93
Sameranth[7b]
Sameter[50]	Civilised World[50]	Obscurus[50]
Samos				The Samos Sanction (Comic) - Flames of Damnation (Comic Anthology)
Samson IV[8c]	Hive World[8c]	Obscurus[8c]	Calixis Sector / Hazeroth Sub-Sector[8c]
Sanctus Valorium	Forge World			Codex: Astra Militarum (8th Edition), pg. 12 — Astra Militarum Company Organisation: The Mechanicus and the Guard
San Guisaga	Adeptus Astartes Homeworld		Homeworld of the Blood Drinkers Chapter.	Red Fury (Novel), Chapter Seven
San Leor	Agri World	Ultima		Codex: Sisters of Battle (2nd Edition), pg. 10
San Sebastian[16a]			Homeworld of the Martyrs of Thor Death Cult[16a]
Sancour		Obscurus		Pariah (Novel), chs. 25, 26, 38
Sanctimonia	Cardinal World		The starting point of the Sanctimonia Conflict in 291.M37	White Dwarf 458, pg. 50
Sanctum	Adeptus Astartes Homeworld	Pacificus	Home of White Templars; earlier source locates it in the Segmentum Solar	Codex: Space Marines (8th Edition), pgs. 16-17 — Imperius Dominatus
Sanctus Lys	Shrine World			Revelation (Short Story)
Sanisor			Fell to Chaos in 356.M38.	Imperial Armour Volume Thirteen - War Machines of the Lost and the Damned, pg. 123
Sanor's Fall[32e]	Feral World[32e]	Obscurus[32e]	Mordian System[32e]
Sans Gaviria	Death World			Voidsong (Short Story) - There Is Only War (Anthology), pg. 585
Sansha XII		Solar		Codex: Adeptus Custodes (9th Edition), pg. 41 - The Splendour of Holy Terra
Saphyre[32e]	Agri World[32e]	Obscurus[32e]	Prismata System[32e]
Saras VII	Agri world	Pacificus		Imperial Armour Volume Eleven - The Doom of Mymeara, pg. 74
Sargotha				Codex: Grey Knights (8th Edition), pg. 34 — Brother-Captain Stern
Sarius V	Shrine World / Desert World			Munitorum: Vulcan Mega-Bolter (Background Book), pg. 2
Sarosel				Horus Rising (Novel), Part One, Chapter Nine
Sarkon	Tomb World	Obscurus	Centre of the Empire of the Severed.	Codex: Necrons (5th Edition), pg. 16
Sarlax[41f]	Agri World[41f]	Obscurus[41f]	Agripinaa Sector. Fell to Chaos during the 13th Black Crusade.[41f]
Sarmathia				Revelation (Short Story)
Sarposia[58i]	Dead World[58i]		Destroyed by Hive Fleet Jormungandr.[58i]
Sarum	Hell Forge	Ultima		The Horus Heresy Book One - Betrayal, pgs. 99–101
Sathathorix				Master of Sanctity (Novel), Part 3 - Old Wounds
Saturn[17d]	Gas Giant / Inquisitorial Fortress[17d]	Solar[17d]	Its moon, Titan serves as the headquarters of the Ordo Malleus and Grey Knights.[17d]
Scarric XXII[8c]	Unclassified[8c]	Obscurus[8c]	Calixis Sector / Hazeroth Sub-Sector[8c]
Scathe	Civilised World	Obscurus	The third planet of Modren’s Realm.	Rogue Trader: Twilight Crusade, pg. 34
Scelilus' Hope[74a]			Morhet Sector[74a]
Scelus	Feral World / Adeptus Astartes Homeworld (former)	Obscurus	Former home of the Sons of Malice.	Index Astartes IV — Rogues Sons - Renegade Space Marine Chapters
Schrödinger VII	Ice World / Tomb World / Hive World (former) / Mining World (former)		Ruled by the Necrons.	White Dwarf 384 (UK), pgs. 68-70 — Slaughter On Schrödinger VII
Scintilla[8b]	Hive World[8b]	Obscurus[8b]	Calixis Sector / Drusus Marches. Sector capital of the Calixis Sector.[8b]
Scintilla Prime				Codex: Chaos Daemons - Daemonic Incursion Edition — Hellflayers of Slaanesh
Scoltrum	Quarantined World	Ultima Segmentum	Part of Signus Cluster	Fear to Tread (Novel) - Chapter Five
Scoria Prime[31a]	War World[31a]	Ultima[31a]
Scound's Fall	Cardinal World	Solar		Codex: Chaos Space Marines (4th Edition), pg. 42
Sciron	Daemon World	Obscurus	Eye of Terror	Bloodquest III: The Daemon's Mark, Prologue
Scythia	Formely Tomb World, now Ork World			White Dwarf 452, pg. 38
Seco[85n]	Xenos World[85n]	Ultima[85n]	Kroot world discovered by the T'au during the Third Sphere of Expansion[85n]
Seculoris[62a]
Secunda	Desert World	Obscurus		Warhammer 40,000: Chaos Gate — Target of Opportunity: Secunda
Seedworld AFG:218[8b]	Forbidden World[8b]	Obscurus[8b]	Calixis Sector / Malfian Sub-sector[8b]
Seidon	Tomb World	Ultima		Codex: Necrons (5th Edition), pg. 17
Sekel's Landing		Solar		The Horus Heresy Book Five - Tempest, pg. 71
Sekmet[8c]	Gas Giant[8c]	Obscurus[8c]	Calixis Sector, Hazeroth Sub-Sector[8c]
Semmel[49m]		Ultima Segmentum[49m]	Eastern Fringe / Vidar Sector[49m]
Semus				Dawn of War: Dark Crusade: Fortress (Map Description)
Sepharis Ultra				The Emperor's Chosen (Short Story)
Sepheris Secundus[8b]	Feudal World[8b]	Obscurus[8b]	Calixis Sector / Golgenna Reach[8b]
Septimus Moore	Necron Tomb World			Warhammer 40,000: Dawn of War II — Unflinching Warp Crusader, wargear selection screen
Sepus Prime	Dead World	Pacificus	Destroyed by Virus Bombs during a Chaos insurrection	Blackstone Fortress (Novel), Before
Seraphina	Ork World (former)	Ultima	Wheel of Fire Sector	Two Metaphysical Blades (Short Story)
Serena	Pleasure World	Obscurus	Calixis Sector / The Periphery / Spinward Front	Only War: Core Rulebook, pgs. 332-333
Sergatama VI				White Dwarf 276 (UK), pg. 100 — Claws of the Raven - The Saga of the Weregeld
Settlement 228[8b]	Frontier World[8b]	Obscurus[8b]	Calixis Sector / Drusus Marches.[8b]
Setvan	War World	Obscurus	Sentinel Worlds System.	White Dwarf 291 (US), pg. 96
Sevara	Feral World / Jungle World / Hive World (former)			Tau & Necron Collectors' Guide, pg. 44
Sevayin[83a]
Sha'draig	Tau Sept / Death World / Jungle World	Ultima		White Dwarf July 2019, pg. 48
Shangh VI				Codex: Space Marines (8th Edition, 2nd Codex), pg. 53 — Iron Hands
Shannon's Reach			Described as lawless	White Dwarf 262 (UK), pg. 101
Shardenus	Hive World	Contqual Subsector	Purged of Chaos influence by the Iron Hands in 812.M41.	White Dwarf 262 (UK), pg. 70
Sharlor	Agri World		Site where the Penumbral Cult was destroyed by the Black Templars Chapter.	Index Astartes: Stalkers and Hunters (Background Book) — Renowned Hunters - Javelin of Faith
Shau'Nesh[48a]	Sept World (former)[48a]	Ultima[48a]
Shemnoch	Tomb World (former)		Iron Hands and Brazen Claws Chapters defeated Shemnoch's Necron Dynasty.	Clan Raukaan - A Codex: Space Marines Supplement — The Hall of Conquest
Shenlong	Forge World			Deus Encarmine (Novel), ch. 6
Sheol XVII[8c]	Penal World[8c]	Obscurus[8c]	Calixis Sector / Hazeroth Sub-Sector[8c]
Shodrax[85i]
Shroud	Ice World			White Dwarf September 2019, pg. 40
Sibb's World				White Dwarf 112 (UK), pg. 15 - Terminator
Sicarus	Daemon World	Obscurus		Dark Creed (Novel), pg. 9
Sickle	Forbidden World	Obscurus	Calixis Sector / The Periphery / Spinward Front	Only War: Core Rulebook, pgs. 332-333
Siculi[8b]	Agri World[8b]	Obscurus[8b]	Calixis Sector, Adrantis Nebula.[8b]
Sidon 452[52c]	Forge World[52c]
Sigma	Dead World	Ultima		Imperial Armour Volume Ten - The Badab War - Part Two, pg. 41
Sigma-Agrius	Agri World	Obscurus	Populated by Ratlings	White Dwarf 284 (UK), pg. 83
Signus Prime	Quarantined World	Ultima Segmentum	Part of Signus Cluster	Fear to Tread (Novel) - Chapter Five
Signus Tertiary	Quarantined World	Ultima Segmentum	Part of Signus Cluster	Fear to Tread (Novel) - Chapter Five
Signus Twelve	Dead World / Mining World (former)	Ultima	Ultramar Subsector.	Adeptus Titanicus: Shadow and Iron, pg. 14 - The Iron Crusade: Burning Sands, Cold Vengeance
Sigurd IV[8c]	Hive World[8c]	Obscurus[8c]	Calixis Sector, Josian Reach[8c]
Silence[1g]	Adeptus Astartes Homeworld[1g]	Obscurus[1g]	Home of the Night Watch.[1g]
Simia Orichalcae	Ice World / Mining World / Tomb World			Caves of Ice (Novel), Chapter 1, pgs. 295–298
Sinophia[8b]	Frontier World / Unclassified[8b]	Obscurus[8b]	Calixis Sector / The Periphery / Spinward Front[8b]
Sirens' Den[8c]	Paradise World[8c]	Obscurus[8c]	Calixis Sector, Markayn Marches[8c]
Siscia	Mining World	Obscurus	Celedin Sector, Ophidian Sub-Sector	Sisters of Battle (Comic), Issue #1
Sisk[8b]	Feudal World[8b]	Obscurus[8b]	Calixis Sector / The Periphery / Spinward Front[8b]
Sixty-Three-Nineteen	Civilised World			Horus Rising (Novel), Part One, Chapter One
Skardenfel[48k]
Skarus	War World / Necron Tomb World			Warhammer World Event - War for the Webway
Skeros[48c]
Skorgulian[8b]	Forge World[8b]	Obscurus[8b]	Calixis Sector, Adrantis Nebula[8b]
Skrynne	Death World	Obscurus	Calixis Sector / The Periphery / Spinward Front	Only War: Core Rulebook, pgs. 332-333
Skraag			Also known as Beta-Entebes III	Index Imperialis: Apocrypha, pg. 53
Skumgrot's Rock	Xenos World		Ork World	The Citadel Journal 5, pg. 17Fanatic Press
Sleef[8b]	Dead World[8b]	Obscurus[8b]	Calixis Sector, The Periphery[8b]
Smarty Tube			Manufactures Thunderhawk engines.	The Citadel Journal 10, pg. 20 Fanatic Press
Smelter's Heap	Mining World			Codex: Space Wolves (8th Edition), pg. 21 — Annals of the Space Wolves: The Curse of Russ
Snope's World	Hive world	Obscurus	Askellon Sector	Dark Heresy Second Edition: Core Rulebook, pg. 322
Snowden's World[8c]	Frontier World[8c]	Obscurus[8c]	Calixis Sector, Josian Reach[8c]
Solek	Jungle World			Blood of Iax (Novel), Chapter 7
Solemnace	Tomb World	Ultima	Home to Trazyn the Infinite.	Codex: Necrons (5th Edition), pg. 58
Solemnus	Feudal World / Quarantined World / Adeptus Astartes Homeworld (former)		Former home of the Black Templars	Crusade for Armageddon (Novel), Prologue, pg. 15
Solomon[8c]	Hive World[8c]	Obscurus[8c]	Calixis Sector / Markayn Marches[8c]
Soloo	Ice World			Azrael (Novel), Part Two — Date Ident: Unknown
Solshen XIX	Agri World	Solar		[Help]
Solstice	Feudal World	Tempestus		Codex: Sisters of Battle (2nd Edition), pg. 62
Somnium		Obscurus		Rogue Trader: Edge of the Abyss, pgs. 101-102
Somonor	Tomb World		Part of the Sautekh Dynasty.	Codex: Necrons (5th Edition), pg. 22
Sondheim V	Dead World / Daemon World (former) / Agri World (former)	Tempestus	Transformed by M'kar the Reborn into his own Daemon World. Subjected to Exterminatus by the Sky Sentinels Chapter.	Codex: Tyranids (5th Edition), pgs. 28–31
Sophano Prime[8b]	Mining World[8b]	Obscurus[8b]	Calixis Sector / Golgenna Reach[8b]
Soprony[8c]	Forbidden World / |Xenos World[8c]	Obscurus[8c]	Calixis Sector / Hazeroth Sub-Sector[8c]
Sortiarius	Daemon World	Ultima / Obscurus (former)	Also known as the Planet of the Sorcerers; current homeworld of the Thousand Sons	Realm of Chaos: The Lost and the Damned, pgs. 268, 274
Soryth[8c]	Mining World[8c]	Obscurus[8c]	Calixis Sector, Adrantis Nebula[8c]
Sotha	Dead World / Civilised World (former) / Adeptus Astartes Homeworld (former) / Tomb World (former)	Ultima	Former homeworld of the Scythes of the Emperor Chapter.	Orphans of the Kraken (Short Story)
Sozomen's Last Stand[8c]	Agri World[8c]	Obscurus[8c]	Calixis Sector / Markayn Marches[8c]
Spaeter Relixas				Iron Hands (Novel), Chapter 5, pg. 69
Sparme				Legacy (Novel), Chapter 5
Spectoris[8b]	Agri World[8b]	Obscurus[8b]	Calixis Sector, Drusus Marches[8b]
St Dornas Port	War World			Codex: Drukhari (9th Edition), pgs. 34-35 — A Sinister Spectacle
St. Guise	Cardinal World			Redemption Corps (Novel), Chapter 1, pg. 10
St Jedask's Haven	War World / Mining World			Codex: Chaos Space Marines (9th Edition), pg. 61 - Insignium Traitoris
St Jowet	Shrine World	Ultima	Cirillo Sector, Golden Chain	The Martyr's Tomb (Novel), Appendix
St. Salvus Dock	Fleet Base			Iron Hands (Novel), Chapter 10, pg. 147
Stalinvast	Dead World / Hive World (former)			White Dwarf 317 (UK), pg. 52
Stalynthia	Mining World	Obscurus	Calixis Sector / The Periphery / Spinward Front	Only War: Enemies of the Imperium, pg. 11
Stenoth				Warhammer 40,000: Kill Team Core Manual (2nd Edition), pg. 12 — Theatres of War
Sternac[1g]	Adeptus Astartes Homeworld[1g]	"Beyond Imperial boundaries" (East of Ultima)[1g]	Home of the Iron Lords.[1g]
Stonekraal	Frontier World	Ultima		Imperial Armour Volume Ten, pgs. 126–127
Strank[8b]	Feral World[8b]	Obscurus[8b]	Calixis Sector / Golgenna Reach[8b]
Stracc II[33c]	Hive World[33c]
Strathrax Fort[16b]	Forge World[16b]
Sturmveil	Industrial World	Tempestus		Psychic Awakening: Engine War, pgs. 4-5 - The Tide of Power
Stygia-Aquilon	Adeptus Astartes Homeworld	Tempestus	Homeworld of the Executioners Space Marine Chapter.	Imperial Armour Volume Two - Second Edition, pgs. 8
Stygia XII	Forge World			And They Shall Know No Fear... (Short Story)
Stygian Prime[8c]	Agri World[8c]	Obscurus[8c]	Calixis Sector / Hazeroth Sub-Sector[8c]
Stygies VIII	Forge World	Ultima		White Dwarf 260 (UK) pg. 64
Styrus	Hive World	Ultima	Ultramar Subsector	Adeptus Titanicus: Shadow and Iron, pg. 14 - The Iron Crusade: Burning Sands, Cold Vengeance
Subiaco Diablo	Hive World	Obscurus	Home to the Convent of the Adepta Sororitas' Order of the Ermine Mantle	White Dwarf 287 (UK), pg. 42
Sulairn[42i]		Ultima[42i]
Sulo	Frontier World	Ultima		Codex Imperialis (Background Book), pg. 35
Sulyvan	Daemon World / Agri World (former)	Ultima	Corrupted by the Chaos Space Marine Kyrus the Chantleader.	Deathwatch: Mark of the Xenos, pg. 108
Sundamar				Legacy of Dorn (Novel), Chapter 6
Suranas	Tomb World			Codex: Necrons (5th Edition), pg. 24
Surealis VI[50]	Civilised World[50]	Obscurus[50]
Surtur[49a]	Imperial World[49a]
Susa				Warhammer 40,000: Rogue Trader, pg. 27
Susa 9				White Dwarf 469, pg. 122 — The Horus Heresy: Armour Through the Ages
Sycorax	Death World	Ultima		White Dwarf 388 (UK), pg. 77
Sygor X				Blood Angels Painting Guide – Sons of Sanguinius, pg. 54
Sylphis II				Codex: Space Marines (7th Edition) — Gladius Strike Force - Space Marine Strike Force
Symeon	Heretic Astartes Recruiting World			Blood Gorgons (Novel), Chapter 2
Synford[8c]	Forge World[8c]	Obscurus[8c]	Calixis Sector, Hazeroth Sub-Sector[8c]
Synford II[8b]	Forge World[8b]	Obscurus[8b]	Calixis Sector, Malfian Sub-sector[8b]
Syon[69c]
Syrinx				Horus Rising (Novel), Part One, Chapter Ten
T'au	Tau Sept	Ultima	Capital of the Tau Empire.	Codex: Tau Empire (6th Edition), pg. 28
Tabor[41f]	Ocean World / Hive World[41f]	Obscurus[41f]	Agripinaa Sector[41f]
Tabulata				Codex: Blood Angels (8th Edition), pg. 97
Taeloth		Obscurus	Uninhabited	White Dwarf 291 (UK), pg. 96
Tagia Prime				Tallarn: Witness (Short Story)
Tahnel	Civilised World / Ocean World	Solar		White Dwarf 318 (UK), pg. 94
Talasa Prime	Adeptus Astartes Homeworld / Inquisitorial Fortress	Ultima	Deathwatch HQ	White Dwarf 257 (UK), pg. 95
Talassar	Civilised World / Ocean World	Ultima	Part of Ultramar.	Codex: Ultramarines, pg. 14
Talithia	Maiden World		Former site of a colony of the Imperium, until the population was killed by the Eldar.	Munitorum: Shuriken Catapults (Background Book), pgs. 3–4
Tallameder				Grey Talon (Short Story)
Tallarn	Civilised World / Desert World	Tempestus		Desert Raiders (Novel), Chapter 1
Ta-Loc	Quarantined World	Ultima Segmentum	Part of Signus Cluster	Fear to Tread (Novel) - Chapter Five
Taloma Nova				Black Crusade: The Tome of Fate, pg. 6
Talon[1g]	Dead World / Adeptus Astartes Homeworld (former)[1g]	Ultima[1g]	Former home of the Storm Falcons.[1g]
Talsicant				First and Only (Novel) — The Founding (Omnibus), Part Six, Chapter Ten
Talus IV[86b]	Adeptus Astartes Homeworld (former)[86b]	Obscurus[86b]	Former home of the Brazen Claws, overrun by Daemons in 955.M41[86b]
Tan	Dead World	Ultima	Scoured by Hive Fleet Kraken.	Orphans of the Kraken (Short Story) — Legends of the Space Marines (Anthology), pgs. 264–265
Tanakreg	Dead World / Civilised World (former)			[Help]
Tancred[44f]		Obscurus[44f]	Known to have depot yards where Bulk clippers of the Isolde pattern come from.[44f]
Tandria	Shrine World	Ultima	Cirillo Sector, Golden Chain	The Martyr's Tomb (Novel), Appendix
Tanhotep	Tomb World			Codex: Orks (8th Edition), pg. 67 — Kaptin Badrukk
Tanis	Desert World / Adeptus Astartes Recruiting World		Provides Aspirants to the Imperial Fists	But Dust in the Wind (Short Story)
Tanis[59b]	Quarantined World / Hive World(former)[59b]	Obscurus[59b]
Tanith	Dead World / Forest World (former) / Frontier World (former) / Feudal World (former)	Pacificus		First and Only (Novel), Part Two, Chapter One
Tannen's World				Pax Imperialis: Testament (Comic) - Flames of Damnation (Comic Anthology)
Taral III				White Dwarf 117 (UK), pg. 38
Taran III	Adeptus Astartes Homeworld		Home of the Storm Warriors Chapter.	The Emperor's Will (Short Story)
Taranagea				Scars (Novel), Chapter 1
Tarentus	Agri World	Ultima	Part of Ultramar.	Codex: Space Marines (8th Edition), pg. 25
Tareska[58c]		Ultima[58c]
Targea				Brotherhood of the Storm (Novella) — Legacies of Betrayal (Anthology), II. Ilya Ravallion
Targus VIII	Hive World			Codex: Space Marines (4th Edition), pg. 46
Tarkan[32e]	Hive World[32e]	Obscurus[32e]	Dhobash System[32e]
Taro Primus				Imperial Armour II - Ork, Eldar and Dark Eldar Vehicles for Warhammer 40,000, pg. 19
Tarren IV				White Dwarf 112 (UK), pg. 71 - Adeptus Titanicus: Conqueror! - Robots in Adeptus Titanicus
Tarrenthorst	Agri World (former)		Bombarded by cyclonic torpedoes to stop an Enslaver infestation.	White Dwarf 257 (UK), pg. 95
Tarsis Ultra	Dead World / Agri World (former)	Ultima	Destroyed by the Iron Warriors.	Warriors of Ultramar (Novel) — The Ultramarines Omnibus, Chapter Four, pgs. 324–325
Tartarus	Dead World			Warhammer 40,000: Dawn of War, Single-player campaign
Tash'var	Tau Sept	Ultima	Founded during the Second Sphere of Expansion	Codex: Tau Empire (7th Edition), The Sept Worlds
Taslan's Forge	Forge World			Iron Hands (Novel), Chapter 10, pg. 147
Tassilon				Horus Rising (Novel), Part One, Chapter Ten
Tawka[85n]	Xenos World[85n]	Ultima[85n]	Kroot world, discovered by the T'au during the Third Sphere of Expansion[85n]
Taygeta	Jungle World	Obscurus	Near the Eye of Terror.	Warhammer 40,000: Chaos Gate — Target of Opportunity: Taygeta
Tekarn[37b]	Imperial World[37b]
Telemachus	Forge World			Faith and Fire (Novel), Chapter 5, pg. 42
Teleos			Home to the Scholastica Xenosa institute	Attack of the Necron (Novel), Chapter 14
Telias	Unclassified	Obscurus	Calixis Sector / The Periphery / Spinward Front	Only War: Core Rulebook, pgs. 332-333
Teliox Epis	Gas Giant			Blood of Asaheim (Novel), Chapter Eleven
Tellerax Prime				Codex: Chaos Knights (8th Edition), pg. 32
Tellus 15/01	Hive World			White Dwarf November 2017 — Cover Feature: Necromunda
Temaxia[55a]	Forge World[55a]	Tempestus[55a]	Destroyed by Orks in M32.[55a]
Temperis[85c]	Hive World[85c]	Pacificus[85c]
Temportus			Site of a battle between the Crimson Fists Chapter and Ork Freebooters.	Codex: Space Marines (7th Edition) — The Chronicles of Heroes - Temportus
Temujin's World				Index Imperialis: Apocrypha, pg. 47
Tenebra Prime	Ork World	Ultima	Octarius Sector / Octarius System / Ork Empire of Octarius	White Dwarf 307 (UK), pg. 70
Tephaine[8b]	Hive World[8b]	Obscurus[8b]	Calixis Sector, Adrantis Nebula.[8b]
Tephaine Minor[8b]	Agri World[8b]	Obscurus[8b]	Calixis Sector, Adrantis Nebula.[8b]
Tephusa Binary	Forge World	Obscurus		Imperial Munitorum Manual (Background Book), Chapter 4, Section 3, pg. 37
Terion	Paradise World		Site of a battle between the Blood Angels and the Night Lords allied to the Brotherhood of Darkness.	Warlords of the Dark Millennium: Dante (Background Book) — The Archangel's Mantle
Teris IX				Wolf King (Novella), Chapter 2
Terminus Prime	Port World	Obscurus	Askellon Sector	Dark Heresy Second Edition: Core Rulebook, pg. 322
Terra	Hive World	Solar	Center of the Imperium of Man	Warhammer 40,000: Rogue Trader, pg. 133
Terraq		Obscurus	Eye of Terror	Codex: Dark Angels (8th Edition), pg. 48 — Belial
Terrax	Imperial World		Home to the Terrax Guard Imperial Guard.	Codex: Imperial Guard (3rd Edition, 2nd Codex), pg. 60
Teruxyne	Quarantined World / Dead World / Colony World (former)	Obscurus	Stricken with the Sinners' Plague disease.	Dark Heresy: The Radical's Handbook, pg. 204
Terzari	War World			Codex Supplement: Salamanders (8th Edition), pg. 44 — The Art of Fire
Tesra IV	Dead World / Relic World (former)		Consumed by Tyranids	Codex Supplement: Angels of Death — Strike Forces: Famous Strike Forces
Tesslan VI	Imperial World			The Emperor's Will (Short Story)
Testament III			Conquered by the Black Legion Daemon Prince Marrovore the Black and his warband.	White Dwarf 370 (UK), pg.101
Tethris	Dead World		Subjected to Exterminatus.	Codex: Tyranids (3rd Edition), pgs. 42–43
Tethys	Feral World	Obscurus	Calixis Sector / The Periphery / Spinward Front	Only War: Core Rulebook, pgs. 332-333
Thain				Adeptus Mechanicus: The Enigma of Flesh (Short Story)
Thain II				Index Astartes: Tactical Dreadnought Armour, pg. 13
Thanatos	Tomb World	Ultima	Part of the Oruscar Dynasty.	Codex: Necrons (5th Edition), pg. 15
Thandos IV				The Citadel Journal 9, pg. 34Fanatic Press
Thantus X	Xenos World / Agri World (former)		Former Imperial world, fell to an Ork Waaagh! in 899.M40	Munitorum - Vortex Missiles, pgs. 3–4
Thargorum	Desert World	Tempestus		Dawn of War: Dark Crusade: Thargorum (Map Description)
Thassica			Location of a fragment of the Key.	Arks of Omen: Abaddon, pg. 26 — Plans Within Plans
Theld[33b]	Death World[33b]
Theltheghlyr	Jungle World / Maiden World			Codex: Harlequins (8th Edition), pg. 43 — Blades of Cegorach
Theron	Gas Giant			Redblade (Short Story)
Thessalon	Feudal World	Obscurus		Malleus (Novel), Twenty-one
Thesvor II	Tomb World			Warhammer 40,000: Kill Team Core Manual (2nd Edition), pg. 156 — Necron
Thical[82]	Hive World[82]	Obscurus[82]
Tholus[10c]	Exodite World (former)[10c]		Purged by the Imperium of Man[10c]
Thoresta				White Dwarf 484, pg. 11
Thoth	Desert World	Pacificus		Codex: Chaos Daemons (4th Edition), pg. 83
Thracian Primaris	Hive World / Industrial World	Obscurus		Codex: Eye of Terror (3rd Edition), pgs. 24-25
Thranx	Dead World / Hive World (former)	Solar	Subjected to Exterminatus	Deathwing (Short Story)
Thrax	Frontier World	Obscurus	Calixis Sector / The Periphery / Spinward Front	Only War: Core Rulebook, pgs. 332-333
Threfenia's Reach	War World	Ultima	Nephilim Sector Borders the Pariah Nexus	White Dwarf 455, pg. 75 — War Zone Pariah Nexus
Threnos[8c]	Dead World[8c]	Obscurus[8c]	Calixis Sector / Hazeroth Sub-Sector[8c]
Threxia				Space Hulk (Novella), 00.32.88
Thridia	Hive World / Tomb World			Codex: Chaos Daemons (6th Edition), pg. 39
Thruscas Sine			Infested by Nurglite forces	Codex: Chaos Daemons (6th Edition), pg. 36
Thuleya				Wolf King (Novella), Chapter 2
Thuribael[33d]	Shrine World[33d]
Thylneria	War World / Jungle World			Codex Supplement: Ultramarines (8th Edition), pg. 52 — An Army of Heroes
Tigris	Forge World		Home to the Legio Solaria. Possible confusion with Tigrus.	Titandeath (Novel), Chapter 2
Tigrus[14a]	Ork World / Forge World[14a]	Ultima[14a]	Overrun by Orks in M35[14a]
Tingoya				Imperial Armour - Apocalypse II, pg. 12
Toil[11b]	Dead World / Forge World (former)[11b]		Destroyed by Perturabo.[11b]
Tolkhan[14a]	Forge World[14a]	Tempestus[14a]	Home to the Legio Pallidus Mor[14a]
T'olku	Tau Sept / Death World / Jungle World	Ultima		White Dwarf July 2019, pg. 48
Toreus	Dead World		Subjected to Exterminatus in 879.M41	Codex: Chaos Daemons (4th Edition), pgs. 20–21
Torhaven	War World			Codex: Space Marines (7th Edition) — The Chronicles of Heroes — The Torhaven Incident
Torian	Agri World	Obscurus		White Dwarf 291 (UK), pg. 96
Torison VII				Warlords of the Dark Millennium: Huron Blackheart (Background Book), pg. 17
Tornish[44g]
Torodaris[33a]	Agri World[33a]
Torvendis	Daemon World	Ultima	Located in The Maelstrom	Daemon World (Novel), ch. 1
Totha				Index Imperialis: Apocrypha, pg. 47
Traekonnis Major	Adeptus Astartes Homeworld	Ultima	Homeworld of the Avenging Sons Space Marine Chapter.	Imperial Armour Volume Two - Second Edition, pgs. 8–9
Trakonn	Tomb World	Ultima	Crownworld of the Dyvanakh Dynasty.	Codex: Necrons (5th Edition), pg. 17
Tranch[8b]	Hive World[8b]	Obscurus[8b]	Calixis Sector, Adrantis Nebula[8b]
Tranquility-II	Feudal World	Ultima		Imperial Armour Volume Ten, pgs. 67–68
Tranquility-III	Desert World		Location of a Mantis Warriors base	Imperial Armour Volume Ten - The Badab War - Part Two, pg. 174
Tranquilla[54]	Agri World[54]
Translock		Ultima		Orphans of the Kraken (Short Story)
Tranteth V				The Falls of Marakross (Short Story)
Trantis	Tomb World	Tempestus		Codex: Necrons (7th Edition), pg. 12
Trantis IX				White Dwarf 185 (UK), pg. 25
Travonth VI				Black Crusade: The Tome of Blood, pg. 30
Trazolya	War World			Codex: Space Marines (9th Edition), pg. 119 - Crusade Rules
Treconandal[42i]		Obscurus[42i]
Trentor Prime	War World			Codex Supplement: Iron Hands (8th Edition), pg. 41 - The Flesh is Weak
Trepytos	Civilised World	Solar		[Help]
Trevenum Alpha[100b]			Trevenum System[100b]
Trevenum Epsilon[100b]	Gas Giant[100b]		Trevenum System[100b]
Trevenum Gamma[100b]	Gas Giant[100b]		Trevenum System[100b]
Trevenum Theta[100b]	Frozen World[100b]		Trevenum System[100b]
Triandr	Feudal World			Sons of Dorn (Novel), Chapter 1, pg. 9
Triplex Phall[14a]	Forge World[14a]	Ultima[14a]	Home to the Legio Victorum[14a]
Trontium VI				Warrior Coven (Novel) — Kill Squad: A Deathwatch Omnibus, Chapter 2, pg. 189
Trontiux III	Adeptus Astartes Recruiting World		Provides Aspirants to the Blood Ravens	Dawn of War: Ascension (Novel), Chapter 1
T'ros	T'au Colony / Desert World	Ultima	Formerly known as Taros; site of the Taros Campaign.	Imperial Armour Volume Three - The Taros Campaign, pgs. 18-19
Troudor		Pacificus		Codex: Sisters of Battle (2nd Edition), pg. 41
Troxx	War World			Codex: Space Marines (8th Edition), pg. 71 — Reiver Squads
Trygg	Hive World	Pacificus		Leviathan (Box) Rulebook, pg. 245
Tsade[8c]	Dead World[8c]	Obscurus[8c]	Calixis Sector, Josian Reach, Tsade System[8c]
Tsade II[8c]	Agri World[8c]	Obscurus[8c]	Calixis Sector, Josian Reach, Tsade System[8c]
Tsan Domus		Ultima		Hammer and Anvil (Novel), Chapter 9, pg. 93
Tukaroe VII	Ice World			White Dwarf September 2019, pg. 43
Turanshush[8c]	Forge World[8c]	Obscurus[8c]	Calixis Sector, Markayn Marches[8c]
Turren Primus	Hive World			Warhammer 40,000: Dawn of War II - Chaos Rising — Cruelty of Geoffros, wargear selection screen
Tusk	Ork World	Obscurus	Part of the Undred-Undred Teef	Rogue Trader Core Rulebook, pgs. 348–349
Tygress I[8b]	Frontier World[8b]	Obscurus[8b]	Calixis Sector / Drusus Marches[8b]
Tygress II[8b]	Frontier World[8b]	Obscurus[8b]	Calixis Sector / Drusus Marches[8b]
Tygress III[8b]	Feral World[8b]	Obscurus[8b]	Calixis Sector / Drusus Marches[8b]
Tygress IV[8b]	Dead World[8b]	Obscurus[8b]	Calixis Sector / Drusus Marches[8b]
Tygress V[8b]	Feral World[8b]	Obscurus[8b]	Calixis Sector / Drusus Marches[8b]
Tygriss[51a]
Tylannia[1j]
Typhon Primaris	Dead World / Feral World (former) / Jungle World (former) / Adeptus Astartes Recruiting World (former) / Exodite World (former) / Ork World (former)	Ultima		Warhammer 40,000: Dawn of War II - Retribution, Planet Profile
Tyran	Dead World / Ocean World (former) / Research Station (former)	Ultima	Site of first contact between the Imperium of Man and the Tyranids in 745.M41	Codex: Tyranids (5th Edition), pgs. 8–9
Tyrama Secundus	Ocean World			Imperial Armour Volume Two (Second Edition), pg. 22
Tyringal	Dead World		Destroyed by the Drukhari	Catachan Devil (Novel), Chapter 33
Tysseris		Ultima	Close to the Ghoul Stars	The Flesh Tithe (Short Story)
U-6743				Blood of Asaheim (Novel), Chapter One
UB-26	Death World			Redemption Corps, Chapter Six, Part I
Ugmok's World	Ork World (former)		Invaded by Daemons of Nurgle in M42	Codex: Chaos Daemons (9th Edition), pg. 42 - Infernal Panoply
Ulan Hûda	Ultima			Legacy of Dorn (Novel), Chapter 6
Ularis Prime				Legacy of Dorn (Novel), Chapter 6
Uldan	Mining World / Jungle World			Dawn of War: Dark Crusade: Hellfire Canyon (Map Description)
Ullden	Agri World (former)			Codex: Chaos Daemons (8th Edition), pg. 53 — Rotigus
Ultak	War World / Hive World			Codex: Space Marines (8th Edition), pg. 76 — Fire Support Squads: Aggressor Squads
Ultra Maximus		Ultima	Temporarily conquered by the T'au	Munitorum: Rail Rifles, pg. 1
Ultra Mundanus[85g]		Ultima[85g]
Umbador[33a]	Agri World[33a]
Umbrus		Obscurus		Codex: Space Marines (8th Edition), pg. 56
Unloth[91d]	Feral World[91d]
Unspake	Fortress World	Pacificus		Leviathan (Box) Rulebook, pg. 245
Uolesh	Daemon World	Obscurus		White Dwarf 282 (UK), pg. 21 — The Eye of Terror - Daemon Worlds
Upsilon		Solar[28b]	Peripheral bastion of Terra's defences[28b]
Ur-Clemait[11c]		Ultima[11c]	Human world ruled by the T'au Empire.[11c]
Ur-Haven			Known to have depot yards where Bulk clippers of the Isolde pattern come from.	Xenos (Novel), Chapter Six
Uralan		Obscurus		Codex: Chaos (2nd Edition), pg. 48
Uralek Prime	Civilised World / Exodite World (former)	Ultima		Codex: Harlequins (8th Edition), pgs. 12–13 — The Great Stage
Urdek	Maiden World (former)		Colonized by the Imperium of Man	White Dwarf December 2017 — Battle Report: Assault on Urdek
Urdesh[14a]	Forge World[14a]	Pacificus[14a]	Sabbat Worlds[14a]
Urk	Ork World			Waaagh! Ghazghkull: A Codex: Orks Supplement, pg. 6
Urkrask				Codex: Dark Angels (8th Edition), pg. 39 — Close Support Squads
Urmuk[32f]	Ork factory world[32f]	Ultima[32f]	Octarius System[32f]
Urrghaz				Blood of Asaheim (Novel), Chapter Eleven
Urus[56b]		Pacificus[56b]	Sabbat Worlds[56b]
Uttu Prime		Ultima	Formerly Imperial, absorbed into the Necron Sautekh Dynasty in late M41	Codex: Necrons (5th Edition), pg. 21
Uvander[69b]
Uzarn				Baneblade (Novel), Interstitial between Chapters 10 & 11, pg. 161
Vakon Alpha	Ice World		Location of the Vakonian Winter Wars.	Warhammer 40,000: Darktide
Valhalla[21b]	Civilised World / Ice World[21b]	Ultima[21b]	Homeworld of the Valhallan Ice Warriors Imperial Guard Regiments.[21b]
Vallyx V	Death World	Ultima	Saved from a massive Genestealer infestation by the Knights of the Raven Chapter.	Dataslate: Reclusiam Command Squad (Background Book) — Notable Reclusiam Command Squads
Valon Urr[8b]	Shrine World[8b]	Obscurus[8b]	Calixis Sector, Golgenna Reach[8b]
Valos	Dead World	Ultima		Adeptus Titanicus: The Horus Heresy Rulebook, pg. 63
Valos Krin[8c]	Feral World[8c]	Obscurus[8c]	Calixis Sector / Hazeroth Sub-Sector[8c]
Valskalf			Squat world	Warhammer 40,000 Compendium, pg. 42
Vanaheim[14g]	Forge World[14g]
Vanantis IX	Hive World			Imperium Nihilus: Vigilus Defiant, pg. 27 — To Summon the Angels of Death
Vander's Landing[32e]	Agri World[32e]	Obscurus[32e]	Mordian System[32e]
Vanishpoint	Ice World			Codex: T'au Empire (8th Edition), pg. 34 — Armies of the Expanding Empire
Vanqualis	Hive World			[Help]
Vardan	Imperial World		Homeworld to the Vardan Rifles Imperial Guard.	Fifteen Hours (Novel), Chapter Six, pg. 81
Varestus Prime	Death World		Site of battles where the Imperial Guard and Imperial Navy faced Orks.	Codex: Catachans (3rd Edition), pg. 3
Varoli Secundus[14k]	Civilised World[14k]		Known for its fanatical theocratic government[14k]
Varrnix Prime				White Dwarf 257 (UK), pg. 95
Varsavia[85g]	Ice World / Feral World / Adeptus Astartes Homeworld[85g]	Ultima[85g]	Homeworld of the Silver Skulls.[85g]
Varavane[33d]	Feudal World[33d]
Vastum-01	Forge World (former)		Abandoned once stripped of all resources	The Rose in Anger (Novella), Chapter One
Vaust[14i]	Hive World[14i]	Pacificus[14i]
Vaxanide[8b]	Hive World[8b]	Obscurus[8b]	Calixis Sector, Malfian Sub-sector[8b]
Va'yun	Tau World	Ultima / Eastern Fringe		Codex: Tau Empire (7th Edition), pg. 41, — Relentless Expansion — Darkness Over Va'yun
Vaznagrod	Forge World			Iron Hands (Novel), Chapter 10
Vek-Vekir[32e]	Hive World[32e]	Obscurus[32e]	Dhobash System[32e]
Velua	Shrine World	Ultima	Cirillo Sector, Golden Chain	The Martyr's Tomb (Novel), Appendix
Vendettum[32f]	Hive World[32f]	Ultima[32f]	Bane's Landing[32f]
Vendorak				Dataslate: Tyrannic War Veterans, pg. 13
Veneris[8b]	Shrine World[8b]	Obscurus[8b]	Calixis Sector, Drusus Marches[8b]
Venkrous[87b]	Daemon World[87b]	Ultima[87b]	Eastern Fringe / Hadex Anomaly[87b]
Venus		Solar	Location of a Tech-Enclave within the Sol System before the Horus Heresy	Horus Heresy round table – The origins of Saturnine armour
Veonid			Used to test Imperial weaponry.	Codex: Chaos Daemons (6th Edition), pg. 20
Verdan II	Dead World		Subjected to Exterminatus.	Imperial Armour Volume Two (Second Edition), pg. 22 — Verdan Wars
Verdant[49l]			Home to Troth Abhumans.[49l]
Verdfall		Pacificus		Crimson Slaughter - A Codex: Chaos Space Marines Supplement (6th Edition) — The Crimson Slaughters Unleashed: Slaughter and Salvation
Verdus Prime	Tomb World			Dawn of War: Dark Crusade: Necron Campaign - Victory Bay (Imperial Guard Stronghold), After Action Report
Verghast	Hive World / Industrial World	Pacificus		Necropolis (Novel), epigraph before Chapter One
Verica VII[81a]	Forge World[81a]		Home to the Collegia Titanica Legio Sirius.[81a]
Veridanium	Maiden World		Colonized by the Imperium of Man, reclaimed by Craftworld Ulthwe in M32	Throneworld (Novel), Chapter 6
Veridian	Feral World	Ultima		Codex: Tyranids (2nd Edition), pg. 37
Vernalis	Mining World	Obscurus		Sons of Dorn (Novel), Chapter Eight, pgs. 203–209
Veskepine	Jungle World		Known for its skilled hunters.	Voidsong (Short Story)
Vespertine				Blades of Damocles (Novel), Chapter One
Vespid	Gas Giant	Ultima	Homeworld of the Vespids; part of the T'au Empire	Deathwatch: Mark of the Xenos, pg. 26
Vessos				Tallarn: Witness (Short Story)
Vetrim[12c]			Former bond-world to the T'au Empire
Vhomarl				Scars (Novel), Chapter 1
Vhospis	Feudal World			Codex: Chaos Daemons (6th Edition), pg. 38
Vhun[42i]
Victrix Sonora	Agri World	Solar		Grey Knights (Novel), Chapter Five
Victus	Dead World	Obscurus	The first planet of Modren’s Realm.	Rogue Trader: Twilight Crusade, pg. 34
Vidar[42j]		Ultima[42j]
Vigil[8b]	Dead World[8b]	Obscurus[8b]
Vigilus	Hive World / Sentinel World	Obscurus	Site of the War of Beasts.	Imperium Nihilus: Vigilus Defiant, pgs. 1–20
Vimox				Codex: Dark Angels (8th Edition), pg. 74
Vior'la	Tau Sept	Ultima	Settled during the First Sphere of Expansion	Codex: Tau (3rd Edition), pg. 64
Virger-Mos II	Agri World	Ultima		Liar's Due (Short Story)
Viribius	Feral World	Obscurus	Calixis Sector / The Periphery / Spinward Front	Only War: Core Rulebook, pgs. 332-333
Viridia IV	Agri World			Magic: The Gathering's Universes Beyond Warhammer 40,000 - Swords to Plowshares Card Description
Virmerketh				Imperial Knight Companion, pg. 59
Visse'el	Tau Sept	Ultima		Codex: Tau (3rd Edition), page 58
Vitrea Mundi	Adeptus Astartes Homeworld (former)	Ultima	Homeworld of the Marines Mordant Chapter.	Sons of the Hydra (Novel), Part I, Chapter α: The Serpent's Egg
Vohyd	Nomad World	Pacificus		Leviathan (Box) Rulebook, pg. 245
Volchis IV				White Dwarf 388 (UK), pg. 121
Voldarian II				Death From the Skies (7th Edition) — Space Marines — Space Wolves
Volghast				Codex: Space Marines (7th Edition) — The Chronicles of Heroes - The Hunters Hunted
Volonx[8b]	Feral World[8b]	Obscurus[8b]	Calixis Sector, Adrantis Nebula.[8b]
Volscar[42i]		Obscurus[42i]
Voltemand	Civilised World	Pacificus		Ghostmaker (Novel), Chapter Two, pgs. 33–41
Volturn	Civilised World	Pacificus		The Horus Heresy Book Eight - Malevolence, pg. 16
Voluptua	Shrine World	Obscurus	Calixis Sector / The Periphery / Spinward Front	Only War: Core Rulebook, pgs. 332-333
Vonsha Smyde IX[31a]	War World[31a]	Ultima[31a]
Vorakis	Hive World		Imperium Nihilus	Codex: Chaos Space Marines (9th Edition), pg. 34 - Word Bearers
Vorenz-VI	Penal World			Imperial Armour Volume Eleven - Second Edition: The Doom of Mymeara, pg. 145
Vorg Prime				Fanatic Online #13 - Assault: (Scenario)
Vorgundreel	Agri World			Codex: Adepta Sororitas (10th Edition), pg. 15
Vorlanthus IV	Hive World		Vorlanthus IV's Mirrored Spire suffered an attack by the Berzerker Khârn, who single-handedly killed 12,000 of its citizens.	Warlords of the Dark Millennium: Khârn the Betrayer — An Eight-Fold Path
Vorsk[14a]	Ork World / Hive World (former)[14a]		Overrun by Ork forces in M41[14a]
Voss Prime[14a]	Forge World[14a]	Solar[14a]	Home to the Legio Invigilata[14a]
Vostroya[42d]	Industrial World[42d]	Obscurus[42d]	Home to the Vostroyan Firstborn Imperial Guard Regiments.[42d]
Voth				Codex: Imperial Knights (6th Edition) — The Time Of Ending — Slaughter on the Fireplains
Vouxis Prime	Civilised World	Obscurus	Askellon Sector	Dark Heresy Second Edition: Core Rulebook, pg. 322
Vraks Prime	Armoury World	Obscurus	Interdicted	Imperial Armour Volume Five - The Siege of Vraks - Part One, pgs. 6–7
Vrantis III	Industrial World			Warp Spawn (Short Story)
V'run	Ork World	Tempestus		Codex: Chaos (2nd Edition), pg. 48
Vulcron[85q]	War World / Mining World[85q]		Planetary crust damaged by extensive mining[85q]
Vulkard IV		Ultima	Volcanic world	War Zone Damocles: Kauyon, pg. 119
Vuthulea II				Codex: Space Marines (8th Edition, 2nd Codex), pg. 105
Warzone Epsilon	War World	Obscurus	Calixis Sector / The Periphery / Spinward Front	Only War: Core Rulebook, pgs. 332-333
Wezn	Ice World			Warhammer 40,000: Chaos Gate — Target of Opportunity: Wezn
Wichard[44d]
Windhover[44e]
Winterhome IX[52a]	Ice World[52a]	Obscurus[52a]
Woe[8c]	Death World[8c]	Obscurus[8c]	Calixis Sector / Josian Reach[8c]
World of Immortal Sorrows	Daemon World / Crone World	Obscurus		Codex: Chaos Daemons (4th Edition), pg. 18
Wormgyre	Xenos World	Pacificus	Home to the Hellgrammite.	Imperial Armour Volume Ten, pgs. 97–98
Xana II[68b]	Daemon World / Forge World[68b]	Pacificus[68b]
Xandros	War World		Site of an ongoing battle between the Ultramarines and Necrons.	Codex: Space Marines (7th Edition) — Chapter Organisation
Xanthel	War World / Hive World		Fell to Chaos in M42.	Codex: Aeldari (9th Edition), pg. 68 - Colours of the Asuryani
Xarsis Plethis				Inquisitor Annual 2002, pg. 56
XD-777	Forbidden World	Obscurus	Calixis Sector / The Periphery / Spinward Front	Only War: Core Rulebook, pgs. 332-333
Xeiros Prime[8b]	Forbidden World[8b]	Obscurus[8b]	Calixis Sector, Malfian Sub-sector[8b]
Xenax[1g]	Adeptus Astartes Homeworld[1g]	Solar[1g]	Home of the Subjugators.[1g]
Xenophon				Harlequin (Novel), One
Xenrick	War World			Codex: Space Marines (9th Edition), pg. 114 — Crusade Rules
Xerxes Quintus				Draco (Novel), Four
XIII[48f]	Dead World[48f]
Xin-Cyn	Dead World / Research Station (former)	Ultima		Deathwatch: Mark of the Xenos, pg. 50
X'irtam	War World / Factory World			Codex Supplement: Iron Hands (8th Edition), pg. 44 — The Flesh is Weak
Xit	Ork World	Ultima		Warhammer 40,000 Chapter Approved - The Book of the Astronomican, pgs. 2–3
Yahkee				War Zone Damocles: Kauyon, pg. 78
Yanth	Death World / Jungle World	Obscurus	Askellon Sector	Dark Heresy Second Edition: Enemies Without, pgs. 98-101 — Yanth
Yarant		Solar		Codex: Chaos (2nd Edition), pg. 48
Yayor	Agri-World	Obscurus		Last Stand on Yayor (Comic) - Flames of Damnation (Comic Anthology)
Yervaunt				The Colonel's Monograph (Novella)
Y'gharnak	Daemon World	Obscurus		White Dwarf 282 (UK), pg. 21 — The Eye of Terror — Daemon Worlds
Ylligith Maeraxes[48j]	Daemon World[48j]
Ymnar	Forest World			Codex Imperialis (Background Book), pg. 32
Yngirheim	Ice World	Ultima		War Zone Damocles: Kauyon, pg. 118
Yngroth[48d]
Ynnen	Feudal World	Ultima		Deathwatch: Know No Fear, pg. 7
Yolaeu				The Outcast Dead (Novel), Chapter 1
Youlemesesh	Maiden World			Rise of the Ynnari: Wild Rider (Novel), Chapter 22
Yrnax				Deathwatch: Honour the Chapter, pg. 133
Ysai Ydumee[8b]	Frontier World[8b]	Obscurus[8b]	Calixis Sector, Drusus Marches[8b]
Yspotua	Paradise World (former)			Iron Hands (Novel), Chapter 10, pg. 148
Ystrad	Dead World		Declared Exterminatus to create a firebreak ring around Segmentum Solar deter Tyranids.	The Tithes (Animated Series): Episode 2
Yue	Desert World			Blood Angels Painting Guide – Sons of Sanguinius, pg. 40
Yu'Kanesh	Desert World			[Help]
Yulan	Dead World	Ultima		Warriors of Ultramar (Novel) — The Ultramarines Omnibus, Chapter Four, pg. 324
Yundo[1j]
Yyem				Scars (Novel), Chapter 1
Zaga IV		Pacificus		White Dwarf 240 (UK), pgs. 32–33
Zaebus Minoris	Adeptus Astartes Homeworld / Feral World	Tempestus	Home of the Red Scorpions.	Imperial Armour Volume Four - The Anphelion Project, pgs. 121–129
Zakhinta			Contracted to send Adsecularis candidates to Metalica	Imperator: Wrath of the Omnissiah (Novel), Chapter 1
Zalamis				Dawn of War II (Novel), Chapter 2
Zambeque		Obscurus		Codex: Dark Angels (6th Edition), pgs. 36–37
Zantium[7a]
Zantragora	Tomb World	Ultima		Codex: Necrons (5th Edition), pg. 13
Zaramund		Obscurus		Angels of Caliban (Novel), Prologue
Zarthan VII	Tomb World			Codex: Adeptus Custodes (9th Edition), pg. 22 - Trajann Valoris
Zavamunda				The Lightning Tower (Short Story)
Zel Primus[8b]	Unclassified[8b]	Obscurus[8b]	Calixis Sector, Drusus Marches[8b]
Zel Secundus[8b]	Death World[8b]	Obscurus[8b]	Calixis Sector, Drusus Marches[8b]
Zel Tertius[8b]	Frontier World[8b]	Obscurus[8b]	Calixis Sector, Drusus Marches[8b]
Zepetis VII				Codex Supplement: Raven Guard (8th Edition), pg. 48 - The Raven's Panoply
Zephath		Ultima	Zepath System, on the edge of Ultramar	Angels of Caliban (Novel), Chapter One
Zephyr[1g]	Adeptus Astartes Homeworld[1g]	Obscurus[1g]	Home of the Storm Hawks.[1g]
Zeran	Forge World			Genefather (Novel), Chapter 15
Zeus VI	Agri World			Draco (Novel), Nine
Zhao-Arkkad	Forge World / Death World	Tempestus		Imperial Armour Volume Eleven - The Doom of Mymeara, pg. 90
Zhodon				Garro: Shield of Lies (Audio Book)
Zhoros[2f]	Dead World / Adeptus Astartes Homeworld (former)[2f]		Former home of the Fire Hawks; destroyed in M36[2f]
Zibal	Desert World			Warhammer 40,000: Chaos Gate — Target of Opportunity: Zibal
Zillman's Domain[8c]	Feudal World[8c]	Obscurus[8c]	Calixis Sector, Josian Reach[8c]
Zosma	Forge World	Obscurus		Warhammer 40,000: Chaos Gate — Target of Opportunity: Zosma
Zoran[66b]	Ice World[66b]
Zordion	Death World / Desert World		Imperium Nihilus	White Dwarf 468, pg. 23 - Index Astartes: The Wolfspear
Zumthor[8c]	Frontier World[8c]	Obscurus[8c]	Calixis Sector / Josian Reach[8c]
Zurna[49m]		Ultima[49m]	Eastern Fringe / Vidar Sector[49m]
Zweihan's World[8b]	Hive World[8b]	Obscurus[8b]	Calixis Sector / Malfian Sub-sector[8b]

See also

• List of Lists
  • Moons (List)

Sources

Note: Only the most important source or sometimes the first source to mention the planet is given. For a full list of sources consult the respective articles.

This article contains text passages or images with citation issues. The concerned content is marked with "Citation issue" tags. Please help to improve this article by fixing those issues as described in the corresponding Help article. Do also note that it is absolutely forbidden to add new information or content to these marked passages as long as the pre-existing citation issues have not been completely resolved.

• 1: Codex: Space Marines (5th Edition)
  • 1a: pg. 3
  • 1b: pgs. 6–7
  • 1c: pg. 15
  • 1d: pg. 17
  • 1e: pg. 18
  • 1f: pgs. 26–27
  • 1g: pg. 30
  • 1h: pg. 31
  • 1i: pg. 33
  • 1j: pg. 34 — The Battle of the Sepulchre
  • 1k: pgs. 36–40
  • 1l: pgs. 42–43
  • 1m: pg. 48
  • 1n: pg. 49 — Famous Battles
  • 1o: pg. 91
  • 1p: pg. 166
• 2: Imperial Armour Volume Nine - The Badab War - Part One
  • 2a: pg. 6
  • 2b: pg. 7
  • 2c: pg. 24
  • 2d: pg. 29
  • 2e: pgs. 40-41
  • 2f: pg. 68
  • 2g: pg. 69
  • 2h: pg. 94
  • 2i: pg. 101
  • 2j: pg. 119
  • 2k: pgs. 124–131
  • 2x: ^[Help]
• 3: White Dwarf 5 (2014), pg. 22
• 4: White Dwarf 349, pg. 55
• 5: Dark Imperium (Novel)
  • 5a: ch. 6
  • 5b: ch. 10
  • 5c: ch. 15
• 6: Dark Imperium (Novel) Second Edition
  • 6a: Chapter 10
  • 6b: Chapter 12
• 7: Legion (Novel)
  • 7a: Part 1, Chapter 1
  • 7b: Part 1: Chapter 7
  • 7c: Part 1: Chapter 12
  • 7d: Part 2, Chapter 2
  • 7e: Part 2, Chapter 3
• 8: Dark Heresy Core Rulebook
  • 8a: pg. 263
  • 8b: pg. 288
  • 8c: pg. 289
• 9: White Dwarf 498, pg. 38
• 10: Warhammer 40,000 3rd Edition Rulebook
  • 10a: pg. 114
  • 10b: pg. 115
  • 10c: pg. 117
• 11: Codex: Chaos Space Marines (6th Edition)
  • 11a: pgs. 18–19
  • 11b: pg. 22
  • 11c: pg. 23
  • 11d: pg. 24
  • 11e: pg. 25
• 12: Shield of Baal: Exterminatus
  • 12a: Sisters of the Saint
  • 12b: The Angels Resurgent
  • 12c: Blade of Sanguinius: Commander Dante
• 13: White Dwarf 369 (UK), pg. 54
• 14: Imperial Armour Volume One - Imperial Guard and Imperial Navy
  • 14a: pg. 8
  • 14b: pg. 11
  • 14c: pg. 19
  • 14d: pg. 29
  • 14e: pgs. 42-43
  • 14f: pg. 83
  • 14g: pg. 130
  • 14h: pg. 144
  • 14i: pg. 153
  • 14j: pg. 179
  • 14k: pg. 212
• 15: White Dwarf 382 (UK), pg. 84
• 16: White Dwarf 261 (UK)
  • 16a: pg. 65
  • 16b: pg. 67
  • 16c: pg. 82
• 17: Codex: Grey Knights (5th Edition)
  • 17a: pg. 14
  • 17b: pg. 16
  • 17c: pgs. 18-19
  • 17d: pg. 30
  • 17e: pg. 38
• 18: Soul Drinker (Novel), Chapter Seven
• 19: Codex: Space Marines (6th Edition), pg. 70
• 20: Codex: Space Marines (6th Edition) (E-Book Edition)
  • 20a: pg. 102
  • 20b: Ultramarines Successor Chapters^[Help]
• 21: Codex: Imperial Guard (2nd Edition)
  • 21a: pg. 11
  • 21b: pg. 12
  • 21c: pg. 17
  • 21d: pg. 32
  • 21x: ^[Help]
• 22: White Dwarf 217 (UK), pg. 29 Necron Raiders by Rick Priestley
• 23: The Traitor's Hand (Novel) - Ciaphas Cain: Hero of the Imperium (Omnibus)
  • 23a: Chapter 1
  • 23b: Editorial Note after Chapter 1, pgs. 511–512
  • 23c: Editorial Note after Chapter 14, pg. 674, fn. 1
• 24: Mechanicum (Novel), 2.07
• 25: Ragnar's Claw (Novel)^[Help]
• 26: Meduson (Short Story)
• 27: Black Legion - A Codex: Chaos Space Marines Supplement (6th Edition), pg. 20
• 28: Codex: Craftworlds (8th Edition)
  • 28a: pg. 27 — The Doom of the Aeldari: The Confluence of Fate
  • 28b: pg. 29 — The Doom of the Aeldari: The Red Tide
  • 28c: pg. 52 — Dire Avengers
  • 28d: pg. 68
  • 28e: pg. 70
• 29: The Purging of Kadillus (Novel), The Tale of Belial - Counter-attack^[Help]
• 30: A Thousand Sons (Novel)
  • 30a: ch. 1
  • 30b: ch. 2 (pgs. 42–43)
  • 30c: ch. 11
• 31: Gathering Storm: Fracture of Biel-Tan
  • 31a: Chapter 2, pg. 53, Empire of Ash - Intervox Mechanicus
  • 31b: Chapter 1: Dire Tidings for Biel-Tan - Addenda Inquisitoria
  • 31c: Chapter 3: Clash on the Ice Moon - Addenda Dominus
• 32: Warhammer 40,000 8th Edition Rulebook
  • 32a: pg. 35 — In the Depths of Space
  • 32b: pg. 51 — Dark Imperium
  • 32c: pg. 92 — Forces of Chaos
  • 32d: pg. 151 — Dark Imperium
  • 32e: pg. 164
  • 32f: pg. 166
  • 32g: pg. 246
• 33: White Dwarf 481
  • 33a: pg. 10
  • 33b: pg. 11
  • 33c: pg. 12
  • 33d: pg. 13
• 34: Codex: Craftworlds (7th Edition) (e-book), Craftworld Eldar ^[Help]
• 35: Dataslate: Officio Assassinorum
  • 35a: pg. 9
  • 35b: pg. 31
• 36: Ravenor (Novel), Map before Part one
• 37: Codex: Imperial Guard (3rd Edition, 1st Codex)
  • 37a: pg. 10
  • 37b: pg. 28
  • 37c: pg. 29
  • 37d: pg. 49 (inside back cover)
• 38: Servant of the Righteous (Short Story) — The Vorbis Conspiracy (Anthology)
• 39: Dataslate: Eldar Ghost Warriors (Background Book)
  • 39a: Timeline — An Anticipated Atrocity
  • 39b: Timeline — Dishonourable Alliances
  • 39c: Timeline — A Dark Enemy
• 40: Adeptus Titanicus (game) Rulebook, pg. 43
• 41: Cadia Stands (Novel)
  • 41a: Part 1, Chapter 1
  • 41b: Part 1: Chapter 2
  • 41c: Part 3, Chapter 4
  • 41d: Part 3, Chapter 9
  • 41e: Part 3, Chapter 12
  • 41f: Part 5, Chapter 2
• 42: Codex: Imperial Guard (5th Edition)
  • 42a: pg. 7
  • 42b: pg. 8 — Recruitment
  • 42c: pg. 16
  • 42d: pg. 18 — Vostroyan Firstborn
  • 42e: pg. 21
  • 42f: pg. 22
  • 42g: pg. 23
  • 42h: pg. 25
  • 42i: pg. 26 - A Galaxy at War
  • 42j: pg. 27 - A Galaxy at War
  • 42k: pg. 58
  • 42x: ^[Help]
• 43: The Beast Must Die (Novel), Chapter 9
• 44: The Inquisition (Background Book)
  • 44a: pg. 7
  • 44b: pg. 9
  • 44c: pg. 25 - Ivixia Dannica
  • 44d: pg. 43
  • 44e: pg. 46
  • 44f: pg. 83
  • 44g: pg. 91
• 45: Crusade of Fire (Campaign Book), pgs. 21–25
• 46: Hard Choices 'What happened on Algol?'
  • 46a: pg. 3
  • 46x: ^[Help]
• 47: White Dwarf 246 (UK)
  • 47a: pgs. 60–61
  • 47b: pg. 87
• 48: Codex: Khorne Daemonkin (7th Edition)
  • 48a: pg. 20 — Slaughter Without End - All Is Death
  • 48b: pg. 21
  • 48c: Slaughter Without End — Dangerous Prey^[Help]
  • 48d: Slaughter Without End — Disaster On Yngroth^[Help]
  • 48e: Slaughter Without End — Exultance^[Help]
  • 48f: Slaughter Without End — Gods and Monsters^[Help]
  • 48g: Slaughter Without End — Mired In Blood^[Help]
  • 48h: Slaughter Without End — One Hundred Skulls^[Help]
  • 48i: Slaughter Without End — Paradise Lost^[Help]
  • 48j: Slaughter Without End — Sorcerer's Bane^[Help]
  • 48k: Slaughter Without End — The Threefold War^[Help]
  • 48l: Chaos Bikers^[Help]
  • 48m: The Ironghast Foundry^[Help]
• 49: Warhammer 40,000 6th Edition Rulebook
  • 49a: pg. 149
  • 49b: pg. 153
  • 49c: pg. 172
  • 49d: pg. 173
  • 49e: pg. 196
  • 49f: pg. 199
  • 49g: pg. 384
  • 49h: pg. 385
  • 49i: pg. 386
  • 49j: pg. 387
  • 49k: pg. 389
  • 49l: pg. 405
  • 49m: pg. 409
• 50: Missing in Action (Short Story)
• 51: Fulgrim (Novel)
  • 51a: Chapter 7
  • 51b: Chapter 13
• 52: Farseer (Novel)^{Heretic Tomes}
  • 52a: Chapter 4
  • 52b: Chapter 15
  • 52c: Chapter 16
  • 52d: Chapter 18
  • 52x: ^[Help]
• 53: Codex: Dark Angels (4th Edition)
  • 53a: pg. 19
  • 53b: pg. 42
• 54: Warhammer World Event - Investigation on Glomus
• 55: Imperial Armour Volume Twelve - The Fall of Orpheus
  • 55a: pg. 17
  • 55b: pgs. 20–22
  • 55c: pg. 32
  • 55d: pg. 42
  • 55e: pg. 44
  • 55f: pg. 58
• 56: The Sabbat Worlds Crusade (Background Book)
  • 56a: pgs. 14-18 — Phase One
  • 56b: pg. 22
  • 56c: pg. 23
  • 56d: pgs. 24-25
  • 56e: pgs. 28-29
  • 56f: pg. 30
  • 56g: pgs. 40-41
  • 56h: pg. 56 — Phase Four
  • 56i: pg. 57 — Phase Four
• 57: The 13th Black Crusade (Background Book)
  • 57a: pg. 7
  • 57b: pg. 23
• 58: Codex: Tyranids (8th Edition)
  • 58a: pg. 16 — The First Tyrannic War: Behemoth Advances
  • 58b: pg. 17 — The First Tyrannic War: The Lure
  • 58c: pg. 22 — The Second Tyrannic War: Terror from the Shadows
  • 58d: pg. 22 — The Second Tyrannic War: The Loss of Ceres XIV
  • 58e: pg. 23 — The Second Tyrannic War: The Anvil
  • 58f: pg. 23 — The Second Tyrannic War: To Strike a Blow
  • 58g: pg. 25 — Hive Fleet Leviathan: The Ultimate Evolution
  • 58h: pg. 31
  • 58i: pg. 33 — Hive Fleet Jormungandr: The Great Serpent Rises
• 59: Dark Heresy Timeline
  • 59a: pg. 2
  • 59b: pgs. 4–5
• 60: Praetorian of Dorn (Novel), Part Two, Chapter Three
• 61: Deathwatch Timeline, pg. 5
• 62: The Horus Heresy Book Seven - Inferno
  • 62a: pg. 141
  • 62b: pg. 209
  • 62c: pg. 294
• 63: Assault on Angelus Minor
• 64: Apocalypse (2013)
  • 64a: pg. 35
  • 64b: pg. 54
  • 64c: pg. 69
  • 64d: pg. 126
• 65: Ravenlord (Novella), Chapter Eight
• 66: Codex: Blood Angels (5th Edition)
  • 66a: pg. 15 — A Legend Forged of Blood: The Battle of Stonehaven
  • 66b: pg. 16
  • 66c: pg. 17
  • 66d: pgs. 20–21
• 67: Codex: Chaos Space Marines (3rd Edition, 2nd Codex)
  • 67a: pg. 5
  • 67b: pg. 6
  • 67c: pg. 8
  • 67d: pg. 20
  • 67e: pg. 65
  • 67f: pg. 81
• 68: The Horus Heresy Book Six - Retribution
  • 68a: pg. 16
  • 68b: pg. 30
  • 68c: pg. 81
  • 68d: pgs. 92-93
  • 68e: pgs. 130-131
  • 68f: pg. 204
  • 68g: pg. 234
• 69: The First Heretic (Novel)
  • 69a: Chapter 2
  • 69b: Chapter 5
  • 69c: Chapter 17
• 70: The Silent King (Novel)
  • 70a: Nine
  • 70b: Twenty-Four
  • 70c: Twenty-Five
• 71: Codex: Skitarii (7th Edition), pgs. 10-11 — Bastions of the Machine God
• 72: Imperial Armour Volume Two - Space Marines and Forces of the Inquisition
  • 72a: pgs. 83–84
  • 72b: pg. 106
• 73: Index Astartes: Death Company^[Help]
• 74: Pilgrims of Fire (Novel)
  • 74a: Part Three, Chapter Three
  • 74b: Part Four, Chapter Two
  • 74c: Part Four, Chapter Three
  • 74d: Part Six, Chapter Two
• 75: Shadow of Ullanor (Novel)
  • 75a: Chapter 2
  • 75b: Chapter 7
• 76: Atlas Infernal (Novel), Act I, Canto VI
• 77: Dataslate: Storm Wing, pgs. 8–9
• 78: White Dwarf 109 (UK), The Imperial Guard^[Help]
• 79: Dawn of War: Tempest (Novel) — Blood Ravens: The Dawn of War Omnibus
  • 79a: Chapter Four
  • 79b: Chapter Five
  • 79c: Chapter Ten, pgs. 719–721
  • 79x: ^[Help]
• 80: For the Emperor (Novel) — Ciaphas Cain: Hero of the Imperium (Omnibus)
  • 80a: Editorial Note Between Chapters Two & Three (pgs. 61-63)
  • 80b: Chapter Nine
• 81: Priests of Mars (Novel)
  • 81a: Microcontent 05, pgs. 45–46
  • 81b: Microcontent 06, pg. 58
  • 81c: Microcontent 06
  • 81d: Microcontent 07, pgs. 67–68
  • 81e: Microcontent 07, pg. 75
  • 81f: Microcontent 10, pg. 100
• 82: Black Industries' Calixis Sector (saved archive page, dated 17 February 2008, last accessed 9 July 2024)
• 83: Daenyathos (Novella)
  • 83a: Part 1
  • 83b: Part 2
• 84: Dead in the Water (Audio Drama)^[Help]
• 85: Warhammer 40,000 5th Edition Rulebook
  • 85a: pg. 114
  • 85b: pg. 115
  • 85c: pg. 116
  • 85d: pgs. 124–125
  • 85e: pg. 127
  • 85f: pg. 128
  • 85g: pg. 132
  • 85h: pg. 138
  • 85i: pg. 139
  • 85j: pg. 141
  • 85k: pg. 144
  • 85l: pgs. 152-153
  • 85m: pg. 154
  • 85n: pg. 170
  • 85o: pgs. 172–173
  • 85p: pgs. 180–181
  • 85q: pg. 235
  • 85r: pg. 237
  • 85s: pg. 238
  • 85t: pg. 240
• 86: Codex: Space Marines (3rd Edition)
  • 86a: pg. 36
  • 86b: pg. 37
• 87: Black Crusade Core Rulebook
  • 87a: pg. 178 - Chapter 5: Force Fields
  • 87b: pg. 315 — Chapter X: A Galaxy in Flames
  • 87c: pg. 342
• 88: Codex: Imperial Knights (8th Edition)
  • 88a: pgs. 12–13 — Knight Worlds of the Imperium
  • 88b: pg. 82 — In Adamant Clad
  • 88c: pg. 85 — In Adamant Clad
  • 88d: pg. 116 — Heirlooms of the Noble Houses: Honour's Bite
  • 88e: pg. 116 — Heirlooms of the Noble Houses: The Hunter's Eye
• 89: Battle for the Abyss (Novel), Chapter 6
• 90: Catechism of Hate (Novella), Prologue
• 91: Battlefleet Gothic Rulebook
  • 91a: pg. 86
  • 91b: pg. 93
  • 91c: pg. 94
  • 91d: pg. 110
  • 91e: pg. 111
  • 91f: pg. 145
  • 91g: pg. 159
• 92: Warhammer Community - Battle Tanks from the Age of Darkness (last accessed 18 September 2018)
• 93: White Dwarf 301 (UK), pg. 90
• 94: Ethernal Crusade site - Arkhona of the Kharon System
• 95: Codex: Tau Empire (4th Edition)
  • 95a: pg. 14
  • 95b: pg. 18
  • 95c: pg. 19
  • 95d: pg. 59
• 96: Farsight Enclaves - A Codex: Tau Empire Supplement (E-Book)
  • 96a: The Arkunasha War
  • 96b: The Molochite Tragedy
• 97: Codex: Armageddon (3rd Edition)
  • 97a: pg. 5
  • 97b: pgs. 13–32
  • 97c: pg. 33
• 98: White Dwarf 405 (UK) (ipad version) — Battle Report: And They Shall Know No Fear
• 99: Arks of Omen: Farsight, pgs. 30-37
• 100: The Lion: Son of the Forest (Novel)
  • 100a: III
  • 100b: XXIV

This article or article section is based on information included with miniatures showcased in Warhammer: Visions. These showcases regularly featured miniatures submitted with written content by the hobbyist that made them and, as such, their content may or may not be in contradiction to established background lore.