Cosmic Name Generator

Names Drawn From Stars, Nebulae, and the Deep Void

Sci-Fi500 curated namesUpdated Free · no sign-up

Tap a name to copy it500 names in this generator

Generate cosmic names inspired by real astronomy and space mythology: star-derived names like Altair and Vega, nebula and galaxy words, Greek and Latin sky terms, and invented celestial names for characters, entities, brands, and worlds.

About cosmic names

Cosmic names borrow their power from the night sky, and the best of them come from real astronomy rather than invented sci-fi syllables. Star names like Vega, Altair, Rigel, and Antares are mostly Arabic, Greek, and Latin in origin, which is why they sound ancient and grand at the same time. Constellation and moon names (Lyra, Carina, Callisto, Titania) come from Greek myth and Shakespeare, giving them a mythic ring; and technical terms like Quasar, Perihelion, Syzygy, and Singularity carry a cold, precise beauty that suits AI characters, cosmic entities, and tech brands.

A good cosmic name usually does one of three things. It names a real object (Sirius, Europa, Betelgeuse), which gives instant recognition and a built-in backstory. It uses a sky-word from Latin or Greek (Stella, Caelum, Aether, Nyx) that sounds like a name without being obviously astronomical. Or it compounds evocative roots into something new (Starforge, Voidwarden, Astralune), which works well for gods, superheroes, and space-opera factions but should be used sparingly so the invented names do not blur together.

The list mixes all three, alongside star catalog designations like Wolf 359 and Tau Ceti for hard sci-fi settings, and dwarf planets and moons that most people have never heard used as names.

Tips for choosing a name

  • For a baby name or a character who should feel grounded, choose a real star, moon, or sky-word (Vega, Luna, Celeste, Callisto) rather than a compound like Voidwarden.
  • For cosmic entities, gods, or eldritch beings, pair a Greek primordial name (Nyx, Erebus, Chaos) with a title: Nyx, Mother of the Void.
  • Catalog-style names such as Wolf 359, Gliese, or Kepler-186 read as scientific and are ideal for hard sci-fi ships, colonies, and star systems.
  • Check pronunciation: Betelgeuse, Achernar, and Fomalhaut look striking on the page but trip up readers aloud; Rigel, Deneb, and Altair are cleaner.
  • Look up what the star or object actually is before naming after it. Antares is a dying red supergiant and Sirius is the brightest star in the sky, and those facts can shape a character.

Frequently asked questions

What are some names that mean star, sky, or universe?

Stella and Estelle (Latin, star), Astra and Astrid (star-related), Celeste and Caelum (heavenly, sky), Cosmo and Cosima (order, universe), and Aether (upper air) all carry cosmic meanings and work as real given names.

Where do real star names come from?

Most bright-star names are Arabic (Altair, Deneb, Aldebaran, Rigel), with others from Greek (Sirius, Procyon, Antares) and Latin (Regulus, Spica, Polaris). The International Astronomical Union now standardizes their spellings.

Can I use these cosmic names for a business or brand?

Yes. Real astronomical terms and star names are not owned by anyone, though you should run a trademark search in your industry, since names like Nova, Sirius, and Vega are already used by many companies.

What makes a cosmic name sound powerful rather than cheesy?

Real names and Greek or Latin roots age well; stacked compounds (Starvoidnova) do not. Keep invented names to two clear roots at most and lean on genuine astronomy for the rest.

All 500 cosmic names

Browse the full list
  • Astraeus
  • Vega
  • Altair
  • Rigel
  • Deneb
  • Sirius
  • Antares
  • Arcturus
  • Betelgeuse
  • Capella
  • Procyon
  • Aldebaran
  • Bellatrix
  • Alcyone
  • Mira
  • Polaris
  • Spica
  • Regulus
  • Fomalhaut
  • Achernar
  • Canopus
  • Castor
  • Pollux
  • Electra
  • Maia
  • Merope
  • Celaeno
  • Taygeta
  • Sterope
  • Alnitak
  • Mintaka
  • Alnilam
  • Saiph
  • Izar
  • Alioth
  • Mizar
  • Alkaid
  • Thuban
  • Sadr
  • Albireo
  • Nashira
  • Adhara
  • Ankaa
  • Hamal
  • Elnath
  • Algol
  • Andromeda
  • Cassiopeia
  • Lyra
  • Carina
  • Vela
  • Orion
  • Perseus
  • Auriga
  • Cepheus
  • Corvus
  • Draco
  • Eridanus
  • Hydra
  • Phoenix
  • Nova
  • Supernova
  • Nebula
  • Quasar
  • Pulsar
  • Magnetar
  • Corona
  • Aurora
  • Halo
  • Zenith
  • Nadir
  • Apex
  • Perihelion
  • Aphelion
  • Equinox
  • Solstice
  • Eclipse
  • Umbra
  • Penumbra
  • Syzygy
  • Parallax
  • Azimuth
  • Ecliptic
  • Meridian
  • Horizon
  • Event Horizon
  • Singularity
  • Ergosphere
  • Photon
  • Ion
  • Plasma
  • Helion
  • Solaris
  • Luna
  • Selene
  • Helios
  • Sol
  • Stella
  • Astra
  • Astrid
  • Estelle
  • Esther
  • Celeste
  • Celestine
  • Caelum
  • Cielo
  • Ciel
  • Aether
  • Aethra
  • Aurelion
  • Orionis
  • Cygnus
  • Nyx
  • Erebus
  • Chaos
  • Cosmo
  • Cosima
  • Kosmos
  • Galaxia
  • Galatea
  • Nebulora
  • Stellarion
  • Celestrix
  • Astralyx
  • Novastorm
  • Starweaver
  • Voidwalker
  • Starborn
  • Voidstar
  • Novaflare
  • Stardrifter
  • Astralune
  • Starforge
  • Voidcaller
  • Novacore
  • Starkeeper
  • Voidwarden
  • Starveil
  • Voidheart
  • Novadawn
  • Starvault
  • Novatide
  • Quasarion
  • Pulsara
  • Astraline
  • Nebulith
  • Astrion
  • Cosmara
  • Galaxen
  • Zenithra
  • Umbriel
  • Oberon
  • Titania
  • Miranda
  • Ariel
  • Callisto
  • Ganymede
  • Europa
  • Io
  • Titan
  • Enceladus
  • Rhea
  • Triton
  • Charon
  • Phobos
  • Deimos
  • Ceres
  • Vesta
  • Pallas
  • Juno
  • Eris
  • Sedna
  • Haumea
  • Makemake
  • Quaoar
  • Orcus
  • Kepler
  • Hubble
  • Cassini
  • Voyager
  • Ptolemy
  • Copernica
  • Halley
  • Tycho
  • Sagan
  • Messier
  • Trappist
  • Proxima
  • Centauri
  • Kepler-186
  • Wolf 359
  • Tau Ceti
  • Gliese
  • Zeta Reticuli
  • Epsilon Eridani
  • Alpha Lyrae
  • Delta Cephei
  • Omega Centauri
  • Beta Pictoris
  • Theta Orionis
  • Nihal
  • Altais
  • Galaxire
  • Starwright
  • Grumium
  • Asterope
  • Kuiper
  • Starbind
  • Pyxis
  • Toutatis
  • Phoebe
  • Zosma
  • Mirfak
  • Kochab
  • Nu Phoenicis
  • Bianca
  • Sagittarius A
  • Reticulum
  • Lagrange
  • Mesarthim
  • Marfik
  • Atlas
  • Penrose
  • Hercules
  • Tarani
  • Libra
  • Ophelia
  • Serpens
  • Cephea
  • Capricornus
  • Hesper
  • Puck
  • Thalassa
  • Kappa Ceti
  • Beid
  • Seyfert
  • Starfall
  • Erebelle
  • Crux
  • Uranie
  • Tabit
  • Voidbringer
  • Lesath
  • Meridia
  • Lunelle
  • Schwarzschild
  • Libration
  • Horizonne
  • Zenara
  • Voidbloom
  • Apoapsis
  • Starshaper
  • Telescopium
  • Scutum
  • Zodiac
  • Rasalgethi
  • Pasiphae
  • Menkent
  • Aquilar
  • Edasich
  • Unukalhai
  • Scorpius
  • Parthenope
  • Terebellum
  • Elysia
  • Celestyn
  • Nadireth
  • Helene
  • Piscis Austrinus
  • Draconel
  • Vindemiatrix
  • Beta Hydri
  • Seginus
  • Chara
  • Mirach
  • Tejat
  • Astraea
  • Alderamin
  • Iris
  • Thebe
  • Akasha
  • Eltanin
  • Sycorax
  • Starsong
  • Solenne
  • Lunorra
  • Menkar
  • Quasara
  • Azha
  • Alya
  • Ilmatar
  • Schedar
  • Najma
  • Zorya
  • Ausra
  • Kaus
  • Orionel
  • Lyrielle
  • Magnetrix
  • Kalpa
  • Octans
  • Planisphere
  • Nunki
  • Coalsack
  • Gomeisa
  • Dennitsa
  • Diadem
  • Sextans
  • Cordelia
  • Enif
  • Sadalmelik
  • Pulsarion
  • Cygnelle
  • Tethys
  • Nyxelle
  • Corvane
  • Nix
  • Dimorphos
  • Theemin
  • Ouranos
  • Mab
  • Almach
  • Muphrid
  • Alsephina
  • Sulafat
  • Nekkar
  • Prospero
  • Mimosa
  • Heliopause
  • Nebulon
  • Girtab
  • Astralis
  • Himalia
  • Hadar
  • Psi Capricorni
  • Atik
  • Upsilon Andromedae
  • Starcrown
  • Lynx
  • Leda
  • Menkalinan
  • Mimas
  • Kerberos
  • Cosmoryn
  • Orrery
  • Firmament
  • Portia
  • Plasmara
  • Carme
  • Alphecca
  • Rosalind
  • Musca
  • Psamathe
  • Adrastea
  • Pisces
  • Gliese 876
  • Iapetus
  • Sitara
  • Eclipsa
  • Novashade
  • Gacrux
  • Hyperborea
  • Delta Pavonis
  • Wasat
  • Caliban
  • Xi Boötis
  • Astrilde
  • Virgo
  • Kepler-22
  • Ruchbah
  • Voidsong
  • Kairos
  • Pavo
  • Maasym
  • Perseon
  • Chronos
  • Aster
  • Muliphein
  • Carinelle
  • Monoceros
  • Tara
  • Occultation
  • Penumbria
  • Elara
  • Lunette
  • Aquiline
  • Empyria
  • Sao
  • Umbrose
  • Baten Kaitos
  • Sheliak
  • Tucana
  • Shaula
  • Ananta
  • Furud
  • Apophis
  • Suhail
  • Matar
  • Pholus
  • Icarus
  • Alphard
  • Starhollow
  • Lyrane
  • Chi Draconis
  • Hygiea
  • Janus
  • Pi Mensae
  • Eos
  • Ionara
  • Varuna
  • Weywot
  • Nusakan
  • Estrella
  • Crater
  • Ananke
  • Oort
  • Lupus
  • Novaspire
  • Lumina
  • Markab
  • Cassiel
  • Sagittarius
  • Starspire
  • Alpheratz
  • Avior
  • Lunaris
  • Lutetia
  • Aetherelle
  • Pherkad
  • Ultima Thule
  • Telesto
  • Leo
  • Mirzam
  • Sargas
  • Yildun
  • Aeon
  • Omicron Eridani
  • Aludra
  • Lumen
  • Merak
  • Zeta Tucanae
  • Alpha Mensae
  • Rotanev
  • Vanth
  • Galactria
  • Grus
  • Nessus
  • Aurigel
  • Setebos
  • Velaris
  • Sadachbia
  • Apogee
  • Gliese 667
  • Sceptrum
  • Helionne
  • Dysnomia
  • Starburst
  • Lucero
  • Yildiz
  • Yuga
  • Photaria
  • Mothallah
  • Solarian
  • Hydraline
  • Celestrian
  • Rana
  • Bootes Void
  • Denebola
  • Rukbat
  • Gemini
  • Eros
  • Naiad
  • Stellan
  • Sadalsuud
  • Pandora
  • Cygnus X-1
  • Sinope
  • Achird
  • Alnair
  • Ascella
  • Caph
  • Dabih
  • Errai
  • Fornax
  • Homam
  • Kraz
  • Lacerta
  • Miaplacidus
  • Naos
  • Peacock
  • Sabik
  • Talitha
  • Zubenelgenubi
  • Zavijava
  • Vulpecula
  • Skat
  • Sirrah
  • Tarazed
  • Ruchba
  • Alcor

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