150+ Space Names for Cats

Cats have long been associated with mystery and intrigue — qualities that align perfectly with our vast, dazzling, and ever-mysterious universe. If you want to give your feline friend a name inspired by the cosmos, this guide is for you, with more than 150 space-themed names for cats of every coat color, personality, and appearance. From mythological and astronomical inspirations to cute, whimsical ideas, and names drawn from space-themed literature and film, there’s something for every adopted kitty. 

Space names for calico and tortoiseshell cats

The vibrant, multi-colored coats of calico and tortoiseshell cats can evoke the swirling, colorful patterns of nebulae or the twinkling of distant star clusters. Here are some space-inspired names that complement their colorful and unique appearances. 

• Aurora

• Nebula

• Galaxy

• Comet

• Meteor

• Stardust

• Nova

• Cosmos

• Milky Way

• Andromeda

• Venus

• Jupiter

• Saturn

• Asteroid

• Dune

• Astro

• Constellation

• Mars

• Solar

• Starfire

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Astronomical space names for cats

These space-themed cat names are drawn from stars, planets, asteroids, galaxies, and other cosmic entities. If you love cats and all things astronomical, adopt a stargazing kitty companion and bestow upon them one of these perfect space names. 

• Betelgeuse — Red supergiant star and part of the Orion constellation, great for a bold, warm-colored kitty

• Rigel — Blue supergiant located along the southern boundary of the Orion constellation, fitting for a blue-coated, energetic kitty

• Phobos — One of the two moons of Mars, a cute name for a playful, orange-coated kitty

• Polaris — The north star, ideal for a guiding, loyal feline friend 

• Quasar — The extremely bright core of a distant galaxy powered by a black hole, perfect for a bright, high-energy, and rare cat with a vibrant personality

• Dactyl — A small asteroid moon that orbits Ida, a main-belt asteroid, the perfect space-themed name to celebrate the polydactyly (extra-toed) kitty in your life

• Callisto — One of the four Galilean moons of Jupiter (that’s large and bright enough to see with binoculars), ideal for a large-breed kitty with a bold and vibrant personality

• Hydra — Largest of the 88 modern constellations in the sky, meaning “water snake” in ancient Greek, a fitting name for a slinky, sleek, and agile cat 

• Nix — A small, irregularly shaped moon of Pluto with an almost iridescent color, a cute name for a dainty, small-breed kitty with a shiny, silvery coat 

• Agamemnon — A large, irregularly shaped asteroid that orbits the sun in sync with Jupiter (named after the ancient king of Mycenae who commanded the Achaean forces during the Trojan War), an ideal name for a boisterous, big-boned, and confident cat

• Altair — A bright star in the Aquila constellation in the northern hemisphere (and a key celestial marker for summer navigation) that’s a great choice for warm, swift, and charismatic cats

• Castor — Prominent star within the Gemini constellation (and twin star of Pollux), a fitting name for a cat adopted alongside their sibling or as part of a bonded pair 

• Hyakutake — An exceptionally bright comet discovered in 1996, also a lovely name for a kitty with a particularly high-spirited, animated, and playful personality

• Algol — Also known as the Demon Star within the constellation of Perseus, ideal for a mischievous feline with a bright and bold character 

• Caliban — An irregular, light red, retrograde moon of the planet Uranus, a good choice for a small, red-coated kitty with a quirky personality

• Vesta — The brightest asteroid within our solar system’s asteroid belt (named for the Roman goddess of the hearth), fitting for a snuggly cat who loves to stay warm and cozy 

• Arcturus — An orange-red giant and the brightest star in the northern constellation of Boötes (meaning “guardian of the bear”), a strong name for a protective, social, and large-breed kitty

• Capella — Bright, yellow giant star in the Auriga constellation (meaning “little goat” in Latin), a pretty name for a long-haired cat with a playful personality 

• Rhea — Second-largest moon of planet Saturn (composed of 75 percent ice), perfect for a large, white-coated cat

• Iris — A large, main-belt asteroid orbiting between Mars and Jupiter (named after the Greek goddess of the rainbow), a fitting name for a kitty with a multicolor coat who is especially loving, social, and affectionate

Space names for male cats

If your male cat is adventurous, bold, or has a commanding presence, a space-themed name can capture their cosmic charisma. 

• Apollo

• Orion

• Leo

• Titan

• Draco

• Sirius

• Vulcan

• Mercury

• Galileo

• Rocket

• Atlas

• Sol

• Quantum

• Zenith

• Phoenix

• Hubble

• Newton

• Voyager

• Neptune

• Pegasus

• Aldrin

Space names for female cats

Female cats often suit cosmic, ethereal, or lyrical names. Space-inspired options can highlight their elegance and celestial mystique. These astronomical names are bound to capture their galactic grace. 

• Luna

• Selene

• Cassiopeia

• Celeste

• Starla

• Electra

• Solara

• Moonbeam

• Estella

• Gemini

• Pandora

• Solstice

• Virgo

• Moonlight

• Starry

• Cielo

• Cordelia

• Vega

• Astronema

• Centauri

• Lyra

• Halley

Space names for cats inspired by mythology

Mythology offers rich inspiration for cat space names, linking them to gods, goddesses, and constellations, and folkloric explanations of celestial phenomena. These names are perfect for dignified, mysterious, or enchanting felines. 

• Nyx — Greek goddess of the night, a beautiful name for a kitty with a sleek, black coat

• Sopdet — An Egyptian goddess, representing cosmic order and rebirth (and personification of the bright star, Sirius), an excellent choice for a shiny-coated cat with a bright, energizing personality

• Artemis — Greek goddess of the moon and the hunt, perfect for an agile or nocturnal female cat

• Belus — Babylonian sky god whose name suits majestic and bold cats 

• Máni — Norse god of the moon, ideal for a luminous, watchful feline

• Ra — The powerful Egyptian god of the sun and ruler of the heavens, which fits a golden-colored, outgoing, and social cat

• Astarte — Phoenician goddess of Venus, a strong name for a charismatic and friendly feline

• Helios — The Greek sun god, a great choice for bold, warm-toned or golden-furred kitties 

• Tethys — Titaness and icy moon of Saturn, fitting for a calm, white-coated cat

• Astraea — Greek goddess of justice associated with the stars, a lovely choice for poised or elegant cats 

• Nabu — Babylonian god of literacy, scribes, and wisdom (associated with the planet Mercury), for a kitty who’s a particularly squick learner 

• Phoebe — A Greek titan associated with the moon, a lovely name for a calm or wise kitty

• Astraeus — Greek titan of dusk and stars, fitting of a mysterious, night-loving cat

• Briseis — A star nymph, ideal for a gentle, observant, and elegant cat 

• Khonsu — Egyptian god of the moon and traveler of the night sky, befits a silver-coated, mysterious, and nocturnally active kitty

• Thoth — Egyptian god of wisdom, writing, the moon, and a timekeeper, perfect for a wise, dignified, and intelligent cat

• Anu — Babylonian god of the sky, heaven, and the cosmos, a beautiful name for a cat who loves to observe from high perches 

• Inanna — A Sumerian goddess of love, fertility, war, and justice (who’s associated with the planet Venus), for a motherly, nurturing cat who also has a fierce side

• Juno — Roman goddess of the sky and queen of the gods, perfect for a protective, powerful, and watchful feline

• Kašku — A Hittite god of the moon, timekeeping, and the celestial rhythms, ideal for a balanced, bright-eyed cat with a shiny coat

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Cute space names for cats

Sometimes a playful or endearing name is the perfect match for your cat’s personality. These space-themed picks are whimsical, cute, and ideal for cuddly, curious, and fun-loving felines. 

• Twinkle

• Spark

• Moonpie

• Orbit

• Sunbeam

• Starburst

• Nebbie

• Blue Moon

• Glow

• Halo

• Little Luna

• Moonbug

• Sunshine

• Neon

• Pluto

• Plasma

• Alien

• E.T.

• Baby Star

• Skye

• Shimmer

• Blaze

• Beam

Literary and film-inspired space names for cats

These sci-fi-inspired space names are perfect for cats with adventurous, quirky, or curious personalities. 

• Spock — Half-Vulcan, half-human character in Star Trek, perfect for a reserved and intelligent cat

• Kirk — Captain of Star Trek’s USS Enterprise, ideal for a bold and brave kitty

• Leia — Star Wars princess and warrior, fitting for a poised, athletic, and outgoing cat

• Gamora — A master assassin and warrior in Guardians of the Galaxy, perfect for an exceptionally athletic, agile, and swift feline 

• Yoda — The immensely wise and selfless Jedi Master in Star Wars, an excellent choice for a small, but brave, affectionate, and intelligent cat with endearingly oversized ears

• Vader — Star Wars villain, suited for a feisty and moody cat 

• Chewbacca — The loyal and friendly Wookie in Star Wars, perfect for a playful, large, fluffy, and affectionate feline

• Irulan — Eldest daughter of Emperor Shaddam IV and historian in the novel Dune, a lovely name for an intelligent and observant cat

• Ripley — Heroine from Alien, a fitting name for an adventurous, sleek, and athletic kitty

• Neo — Protagonist in The Matrix, ideal for an agile, high-energy, and brave cat

• Drax — An exceptionally strong alien warrior from Guardians of the Galaxy, a cool name for a strong, loyal, and fierce feline 

• R2-D2 — Loyal, bold, and resourceful robot from Star Wars, an adorable name for a quirky, loving, and strong-willed little cat

• Jonesy — Ripley’s beloved cat from Alien, ideal for a ginger-coated American shorthair

• Leto — Father of Paul Atreides and ruler of Caladan in the novel Dune, fitting for a loving, confident, and bold kitty

• Selver — The Athshean protagonist of Ursula K. Le Guin’s novel The Word for World Is Forest, a lovely name for a cat who is agile, observant, and enjoys being in nature

Moon-themed space names for cats

If your cat is serene, bright-eyed, has silvery fur, or loves curling up in a little moon-like ball for cuddles, then these names inspired by actual moons from across the solar system might be just the ticket. 

• Aegaeon 

• Sinope

• Oberon

• Cordelia

• Telesto

• Ananke 

• Mimas

• Hyperion

• Lysithea

• Valetudo

• Galatea

• Proteus

• Kalyke

• Prometheus

• Pan

• Tarvos

• Narvi

• Desphina

• Thalassa

• Dysnomia

Commonly asked questions

How do I choose the best space name for my cat?

To choose the best space name for your cat, consider traits such as their personality, appearance, energy levels, and size. For example, a large-breed cat with a silvery coat and bright, commanding personality would fit well with the name Ganymede, one of Jupiter’s icy moons and the largest moon in our solar system. 

What are popular astronomy-inspired cat names?

Popular astronomy-inspired cat names include Cosmos, Luna, Orion, Saturn, Comet, Galaxy, and Nova.

What are some space names for black cats?

For black cats, consider space names such as Eclipse, Noctis, Nyx, and Umbriel.

References

International Cat Care. (n.d.). Polydactyl cats. Retrieved December 30, 2025, from https://icatcare.org/articles/polydactyl-cats.

Powell, J. (2024, August 8). Astronomeow! Why cats are the best companions for stargazers and astronomers. BBC Sky at Night Magazine. https://www.skyatnightmagazine.com/space-science/cats-stargazing-companions.