Sci-Fi Country Name Generator
Nations, orbital republics and off-world states for your setting
Generate sci-fi country names for future Earth, terraformed colonies and galactic maps: coined nations like Tessaly and Orvane, corporate-run territories, orbital republics, numbered bastions and uneasy federations. Built for worldbuilders, novelists and game masters.
About sci-fi country names
A sci-fi country name has to do two jobs at once: sound like a place people actually live, and hint at how the place came to exist. Most good ones fall into a few families. Coined names with a plausible linguistic root (Tessaly, Orvane, Kaelora, Eskandria) read like nations that have had centuries to settle into their own language. Descriptive English names (Ironhold, Brightmarch, The Lantern Coast) suggest frontier settlers naming what they saw. Latinate and political forms (Aurelian Technocracy, Meridian Free States, Pallas Union) imply a founding document and a government type you can build stories around.
The setting decides which family fits. A near-future Earth works best with recognizable forms bent slightly sideways: Greater Arcadian Republic, Vostok Confederacy, New Lagos Compact. A colonized solar system invites orbital republics, habitat sovereignties and mining commonwealths named for the rock they sit on. A far-future galactic map can go fully coined, with polities, enclaves and hegemonies whose names no longer point to anything on Earth.
This list mixes all of those so you can pick by tone. Pair a coined name with a plain government type (Ilvane Republic) when you want restraint, or let the name stand alone (Velkaar, Ythera, Syrrakis) when the culture should feel old and self-assured.
How to choose sci-fi country names
- Match the government word to the politics you want. Republic, Union and Commonwealth feel cooperative; Directorate, Mandate and Technate feel top-down; Free States, Compact and Autonomy imply a place that broke away from something larger.
- Keep one naming style per region of your map. If the inner worlds use Latinate names like Aurelian and Meridian, give the frontier plainer settler names like Ironhold or Cold Harbor so readers can tell the two cultures apart at a glance.
- Add a demonym early. Tessaly gives you Tessalian, Orvane gives Orvanese, Kaelora gives Kaeloran. If the name resists an easy demonym, characters will not be able to talk about its people naturally.
- Use Nova, Prime, Secunda or New sparingly and only where a colony was deliberately named after somewhere else; one New Kyoto on a map is evocative, six New-somethings is a pattern.
- Say the name in a sentence of dialogue before committing. Names that work on a map ('The Greater Helion Sphere') often get shortened in speech ('the Sphere', 'Helion'), so make sure the short form is not already taken by another faction.
Frequently asked questions
What makes a country name sound sci-fi rather than fantasy?
Mostly the government words and the sounds. Fantasy leans on kingdoms, realms and duchies with soft, archaic spelling; sci-fi leans on republics, compacts, technates, orbitals and numbered zones, with cleaner, harder phonology (Velkaar, Tarsis, Orvane). A coined name like Kaelora could go either way, so the word you attach to it usually decides the genre.
Can I use these names for planets or star systems too?
Many single-word names (Ythera, Syrrakis, Eskandria) work equally well for a planet, a nation or a capital city, and real colonies often share a name with their world. For dedicated planet and system names, the related generators go deeper on that specific use.
How do I name a corporate-run or company state?
Use a surname or brand plus a dry legal word: Yorrick Combine, Trask Syndicate, Stenmark Combine, Kessler Belt Authority. The flatter and more administrative it sounds, the more it suggests a place run as a balance sheet rather than a homeland.
Should my sci-fi countries have real-world echoes?
A few echoes help readers orient. Names like Vostok Confederacy, New Lagos Compact or Okonkwo Federation signal which Earth cultures seeded a colony without requiring exposition. Just keep them as one thread among many, or the future starts to look like a relabeled present.
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All 500 sci-fi country names
A: 33 names
- Abyssine
- Aestrin
- Aldaran
- Aldermoor
- Amaranth Union
- Amarantis
- Anaveth
- Ancestral Republic of Khet
- Anchorage Autonomy
- Andoval
- Andrasta Assembly
- Anhedra
- Antaris
- Anterre
- Anthem Free States
- Anvil Reach
- Anzara
- Aqaba Nova
- Arcovia
- Arcturan Commonwealth
- Ardent Republic
- Ardmoor Technate
- Ardvaal
- Arkhangel Orbital Republic
- Arrakhine
- Ashgrove Directorate
- Ashkara
- Ashkelon Orbital
- Aubrel
- Aurelian Technocracy
- Aurevale
- Austral Free States
- Avallon Polity
B: 14 names
- Bakhtara
- Bastion Nine
- Belisar
- Bellmark
- Belmarra
- Benthos
- Boreal Commonwealth
- Borealis Free Republic
- Brannoch
- Brass Tide Collective
- Brevanthe
- Brightmarch
- Bryggen Polity
- Bryndal
C: 27 names
- Caelum Accord
- Caerwyn Assembly
- Caithe
- Calder Free Zone
- Caldera States
- Calixa
- Calmere
- Calvaire
- Carnelian Republic
- Caspar Union
- Cassar Republic
- Castellan
- Cavallon
- Cavendria
- Celadon
- Ceres Agrarian Union
- Cerulea
- Ceyrun
- Cinder States
- Citadel States of Orm
- Cloister States
- Corbel
- Corrow
- Corvane Hegemony
- Cressida Enclave
- Crown Colony of Tethys
- Cyrenaica Nova
D: 18 names
- Danaë Enclave
- Daskalos Combine
- Dhaval Union
- Dominion of Caer Lys
- Dominion of Greater Tallis
- Dominion of Lost Tide
- Dominion of the Ninth Meridian
- Dorvanne
- Drassen
- Draven Commonwealth
- Dravenholm
- Drossel
- Drumheller Free Zone
- Druvenne
- Dunmore Free Port
- Durroth
- Duskhollow Assembly
- Dustbowl Free Zone
E: 19 names
- Eastmarch Directorate
- Ebonmere
- Ebonreach
- Ebrath
- Edrigal
- Eidolon
- Eirlond
- Ekatra
- Elanthe
- Elsmoor
- Emberhold
- Emberline
- Endurance Colony
- Ennisfall
- Eradine
- Erebon
- Eshkar
- Eskandria
- Evander
F: 6 names
- Fennmark
- Ferrante Concordat
- Ferrovia
- First Light Protectorate
- Fortress Alder
- Freehold of Morrow Bay
G: 11 names
- Galatea Commonwealth
- Gallowmere
- Garron
- Garvallon
- Gethsemar
- Ghuriya
- Gorrane
- Grathe
- Greater Arcadian Republic
- Greater Marrick Sphere
- Gulf of Seren Authority
H: 19 names
- Hadrassa
- Hadrian Reach
- Halcyon Dominion
- Halcyon Tethered Isles
- Haldane
- Halkeen
- Halvard Republic
- Halvenne
- Hanssar
- Harbor States of Kell
- Haskovo Prime
- Heliopolis Nova
- Hesketh
- Hesper Prime
- Hethran
- Hexmarch
- Hollenwald
- Hollis Combine
- Hyperion Mandate
I: 21 names
- Ibris Commonwealth
- Idrisol
- Ildrane
- Ilkirra
- Illyria Nova
- Ilmaren
- Ilsanth
- Ilvane
- Imbrium Free States
- Ingelmoor
- Inzeral
- Iron Crescent
- Irradia
- Isengrim
- Isfahan Secundus
- Ishtar Coalition
- Iskra
- Isolvane
- Ithaca Free Port
- Ixoria
- Ixtal
J: 3 names
- Jadrova
- Jessamine Prefecture
- Jorrath
K: 21 names
- Kaelora
- Kairos
- Kaltenheim
- Kashgar Secundus
- Kaskade
- Kavrennon
- Kephrane
- Keshrun
- Kessandra
- Kessline
- Kestov
- Ketheris
- Khalaris
- Khembar
- Kingdom of New Ashanti
- Kirandal
- Kirova
- Korrigan
- Kovacs Free Zone
- Kovenhall
- Kyland
L: 15 names
- Lethe Accord
- Liethe
- Linnaeus Republic
- Lioren
- Lirenne
- Lomax Reach
- Lonsdale Polity
- Loskara
- Lothlan
- Lowell Agrarian Compact
- Lumbrae
- Lumeria
- Lunavar
- Lunesse
- Lythe
M: 17 names
- Magellan Free Port
- Magnar
- Mahrukh Enclave
- Mandate of Kirr
- Maren
- Marrovia
- Marrowind
- Marzanne
- Meridian Free States
- Midhaven
- Miravel
- Mireval
- Moravel
- Mordane
- Morrow Free Republic
- Morvanne
- Mykrene
N: 21 names
- Nadir Republic
- Nakhtara
- Nalanda Ascendancy
- Nassarine
- Nazroth
- Neostrand
- Nereid Compact
- Nessus
- New Kyoto Autonomy
- New Lagos Compact
- Nimbara
- Nimrane
- Nine Suns Directorate
- Nivarre
- Noctuary
- Nokturne
- Nordhelm
- Norwind
- Novaterra Mandate
- Numa
- Nuvaria
O: 36 names
- Oasis Confederacy
- Oberon Free Territory
- Obrenya
- Obsidian Technate
- Okonkwo Federation
- Okuni Prefecture
- Olandris
- Olmstead Concordat
- Ombrene
- Omrath
- Onyx Directorate
- Orbital Cantons of Brisk
- Orbrynn
- Oriath
- Oriel
- Orinoco Syndicate
- Orsk Habitat Union
- Orsova
- Orthos
- Orvalle
- Orvane
- Oryx Protectorate
- Orzhava
- Oskaria
- Oskura
- Osmund Hegemony
- Ossuary Polity
- Ostend Collective
- Ostengard
- Ostmarch
- Ostrakon
- Ostrava Prime
- Ovrand
- Oxenhall Polity
- Oxmoor Combine
- Ozerath
P: 14 names
- Pallas Union
- Pax Ultima
- Pelagia
- Pelagros
- Pellucid Free States
- Pemrith
- Perdita
- Perrinvale
- Phaeton Union
- Phyrra
- Pilgrim States
- Polanthe
- Prometheus Free Zone
- Pryderi
Q: 9 names
- Qeshar
- Qorvus
- Quenby
- Quessant
- Quillon
- Quinlan Reach
- Quintessa
- Quorin Accord
- Quorra
R: 14 names
- Raskova Directorate
- Ravadur
- Raveloe
- Ravenmere
- Ravine States
- Redmarch
- Renmark
- Republic of the Sunward Rim
- Rexar
- Rhaegos
- Rhodope Union
- Rhoghan
- Rhyn
- Rukhane
S: 35 names
- Sable Hegemony
- Sabrith
- Salix
- Sanjeva Ascendancy
- Sarkhan
- Sarrova
- Sekhmet Protectorate
- Seldane
- Selene Commonwealth
- Serapheum
- Serenity Shoals
- Sethrya
- Sevastia
- Seven Rivers Republic
- Shardhaven
- Sholenth
- Silvane
- Sirocco Compact
- Skanda Protectorate
- Skerryth
- Solace Free Republic
- Solenne
- Solmere
- Solquar
- Solvein
- Sorn
- Sorrel Marches
- Sorrow's Reach
- Stellan
- Stenmark Combine
- Strannik
- Sudreth
- Sumerhold
- Sundar Collective
- Syrrakis
T: 80 names
- Taldoria
- Tamaris
- Tamsin Reach
- Tannis Accord
- Tanzen Ascendancy
- Tarkhalla
- Tarn Fell Collective
- Tarnhelm
- Tarquar
- Tarquin Union
- Tarrasque Enclave
- Tarsis Collective
- Tarsus Technocracy
- Tashkel
- Taurine Hegemony
- Tenebris
- Teravell
- Tessaly
- Tessarine
- Tessera Authority
- Thandar
- The Amber Coast Compact
- The Annex
- The Carthan Directorate
- The Charter Coast
- The Clockwork Cantons
- The Cobalt Compact
- The Coil
- The Coriolis League
- The Corridor States
- The Deepwater Mandate
- The Drowned Mandate
- The Eleventh Sovereignty
- The Free City States of Aldane
- The Free Republic of Tarsen
- The Frozen Mandate
- The Gantry Republic
- The Gilded Mandate
- The Greater Helion Sphere
- The Greater Solar Mandate
T, continued
- The Hollow Marches
- The Ironhold Confederacy
- The Kepler Concord
- The Kessler Belt Authority
- The Kestrel Compact
- The Kindred States
- The Lantern Coast
- The Lattice States
- The Meridian Arc
- The Mirror Coast
- The Ninefold Hegemony
- The Outer Cantons
- The Ring States
- The Sable Coast Assembly
- The Spindle
- The Spire Protectorate
- The Splintered Republic
- The Stilt Cities
- The Sundered Marches
- The Tannhauser Mandate
- The Thousand Isles Authority
- The Unbound Reach
- The Unified Cantons of Bryn
- The Varangian Cluster
- The Verge
- Tholomar
- Thrace Ascendancy
- Thule Ascendancy
- Tibrenne
- Tirane
- Tokhara Assembly
- Torvanne
- Tovaris
- Trans-Tethys Authority
- Trask Syndicate
- Tremaine Concordat
- Triune Republic
- Tycho Federation
- Tyrrhene Republic
- Tzirath
U: 11 names
- Ulmsgard
- Ulrendal
- Ulthane
- Ulvesand
- Ulysses Free Republic
- Ulyssia
- Umbrath
- Unified Habitats of Lyr
- Unified Shoals of Pell
- Union of the Cinder Moons
- Union of Upper Tarsis
V: 31 names
- Valcour
- Valdis
- Vale of Brannock
- Valkyr Protectorate
- Vandaria
- Vantari
- Varnhelm
- Vashti Protectorate
- Vaslund
- Vasquez Free Port
- Vaulted Coast
- Vaykor
- Vedrune
- Velbrook Enclave
- Velkaar
- Vell Orbital Cantons
- Velmont Polity
- Veltreth
- Veridian Concord
- Verrine
- Vesperine
- Vesta Mining Commonwealth
- Vexmara
- Virelle
- Visqarra
- Vitrine Accord
- Vorandis
- Vorrath
- Voskur
- Vostok Confederacy
- Vrasko
W: 5 names
- Wardens of Thule
- Windrow Free Zone
- Windward Autonomy
- Wintermark
- Wulfram
X: 2 names
- Xalvador
- Xanthe
Y: 8 names
- Yamakage Prefecture
- Yorland
- Yorrick Combine
- Yrsa Compact
- Ysolde Accord
- Yssril
- Ythera
- Yuzhen Combine