125 Celestial Baby Names Inspired by the Cosmos

Space names carry a little wonder in every syllable, from the glow of a distant star to the pull of a planet you can spot on a clear night. They feel big and bright without trying too hard, and they give a child a name with a story written across the sky.

This list gathers 125 space baby names, drawn from constellations, planets, moons, mythic sky figures, and a few beloved sci-fi picks. You will find their meanings and origins alongside each one, so you can tell which feel bold, which feel gentle, and which quietly hint at the cosmos.

Scroll on and find the one that sounds like your little astronomer.

125 Space Names for Kids That Are Out of This World

Get ready to launch your naming journey with these stellar options.

Space Names for Girls

From shining stars to ancient goddesses, these celestial picks for girls are simply magical.

1. Adhara: From the Arabic al-adhara, “the maidens.” It is the second-brightest star in the Canis Major constellation, so it carries real astronomy behind a soft sound.
2. Aditi: A Sanskrit name meaning “boundless” or “limitless.” In Hindu tradition Aditi is the mother of the gods and a goddess of the sky and infinity, which gives a gentle name surprising weight.
3. Andromeda: Meaning “protector of men” in Greek. Andromeda is the nearest large spiral galaxy to our own, a constellation, and the chained princess of Greek myth, with the easy nickname Andie.
4. Aquaria: A feminine spin on Aquarius, the Latin water-carrier of the zodiac. It feels modern and watery while still nodding to the night sky.
5. Artemis: The Greek goddess of the moon, the hunt, and wild places. NASA borrowed it for the program returning humans to the Moon, so it reads both ancient and current.
6. Astra: From the Latin for “of the stars,” short, crisp, and easy to spell. It shares its root with the phrase ad astra, “to the stars.”
7. Astrid: A Scandinavian classic meaning “divinely beautiful,” carried by Swedish author Astrid Lindgren. The built-in “astr” sound ties it neatly to the stars.
8. Aurora: Latin for “dawn,” and the name of the aurora borealis, the light display of the polar sky. It is a celestial favorite, ranking #16 for US girls in 2024.
9. Ayla: A Turkish name for the halo of light around the moon. Soft and short, it travels easily across languages.
10. Aylin: A popular Turkish female name meaning “moon halo” or “of the moon,” a close cousin of Ayla.
11. Callisto: One of Jupiter’s four large Galilean moons, from the Greek for “most beautiful.” In myth Callisto was a nymph set among the stars as the Great Bear.
12. Celeste: A soft, classic Latin girl’s name meaning “heavenly” or “of the sky,” with the sweet nickname Celia.
13. Chandrakanta: A lyrical Hindi feminine name from Sanskrit meaning “beloved of the moon,” since chandra is the moon.
14. Csilla: Pronounced CHEEL-lah, this Hungarian name comes from csillag, “star.” It is rare in English-speaking countries but instantly meaningful.
15. Danica: A Slavic name for the morning star, the planet Venus at dawn. Racing fans will think of driver Danica Patrick.
16. Diana: The Roman goddess of the moon and the hunt, counterpart to the Greek Artemis. The name means “heavenly” or “divine” and never feels dated.
17. Elara: A small moon of Jupiter and, in Greek myth, a mortal love of Zeus. The gentle three-syllable sound has made it a quiet riser.
18. Estella: A vintage form of the Latin Stella, “star,” given a literary glow by Dickens’s Great Expectations.
19. Esther: A biblical and Persian girl’s name usually read as “star,” linked to the Babylonian goddess Ishtar.
20. Estrella: The Spanish word for “star,” rhythmic and warm, with the short forms Stella or Ella.
21. Gaia: The Greek personification of Earth and mother of the sky and sea. The European Space Agency named its star-mapping spacecraft Gaia after her.
22. Galaxy: A bold modern word name from the Greek galaxias, “milky,” the root of Milky Way. It suits parents who want something unmistakably cosmic.
23. Gemini: The Latin word for “twins” and the zodiac constellation of Castor and Pollux. NASA’s Gemini program bridged the Mercury and Apollo missions.
24. Halley: A nod to Halley’s Comet and the astronomer Edmond Halley, who predicted its return. The surname means “hay meadow” and sounds like the popular Hayley.
25. Heaven: A gentle word name with an airy, spiritual feel. Spelled backward it becomes Nevaeh, which also appears on this list.
26. Helene: A Greek girl’s name meaning “light” or “bright one,” and the name of a small moon of Saturn.
27. Helia: A sunny Greek name tied to Helios, the sun, and the Heliades, his daughters. It feels fresh beside the more common Delia or Amelia.
28. Hoshi: The Japanese word for “star,” short and bright, and familiar from pop culture.
29. Hoshiko: A Japanese name meaning “star child,” extending Hoshi with the affectionate -ko ending common in girls’ names.
30. Juno: The Roman queen of the gods and the namesake of NASA’s Juno probe orbiting Jupiter. The Oscar-winning film gave it a spunky modern edge.
31. Kalyke: A small outer moon of Jupiter named for a nymph in Greek myth. Pronounced KAL-ih-kee, it is about as rare as celestial names get.
32. Larissa: A moon of Neptune, a nymph of Greek myth, and a city in Greece. The meaning is often given as “citadel.”
33. Luna: Latin and Italian for “moon,” and one of the most popular celestial names anywhere. It ranked #13 for US girls in 2024 after years inside the top ten.
34. Lyra: A constellation shaped like the lyre of Orpheus and home to the bright star Vega. It is musical, short, and easy to wear.
35. Mahina: A Hawaiian name meaning “moon” or “moonlight,” with a warm, melodic rhythm.
36. Moon: A direct nature name with a calm, dreamy feel, chosen by a few celebrities for its plainspoken charm.
37. Neoma: A rare Greek-rooted name read as “new moon,” close in sound to Naomi but distinctly its own.
38. Nevaeh: “Heaven” spelled backward, a modern American invention that climbed fast in the 2000s and still sits in the US top 100.
39. Nova: Latin for “new,” and the astronomy term for a star that suddenly flares bright.
40. Nyx: The Greek goddess of the night and mother of sleep and the stars’ darkness. Short and striking, it suits parents drawn to the dramatic.
41. Ourania: Greek for “heavenly,” the muse of astronomy. Urania is the simpler Latinized spelling, also on this list.
42. Portia: A moon of Uranus and the sharp-witted heroine of Shakespeare’s The Merchant of Venice. The name carries a sense of poise.
43. Rosalind: A moon of Uranus and a Shakespeare heroine, from roots meaning “pretty rose.” Scientist Rosalind Franklin gives it real intellectual weight.
44. Sanjna: In Hindu myth, a goddess of clouds and dawn and wife of the sun god Surya. The name traces to Sanskrit words for awareness.
45. Saranyu: Another name for the same Hindu solar goddess, from a Sanskrit root meaning “swift.” It is an unusual choice with deep mythic roots.
46. Selena: A Greek name that means “moon,” from the goddess Selene, and forever linked to singer Selena Quintanilla.
47. Seren: A top Welsh name meaning “star,” simple and serene, and widely used across Wales.
48. Sidra: A Latin-rooted name meaning “of the stars,” sharing the root sidus with words like sidereal. It also sees Arabic use.
49. Soleil: French for “sun,” bright and warm for a summer baby, pronounced so-LAY. See more sun names here.
50. Star: The plainest celestial name there is, clear and unfussy. It works as a first name or a sparkling middle.
51. Starla: A mid-century American coinage adding a feminine ending to “star,” with a retro, rhinestone charm.
52. Stella: The Latin word for “star,” timeless and elegant, with the easy short form Ella.
53. Stellaluna: A compound of “star” and “moon,” best known from the children’s picture book about a fruit bat. It is whimsical and unmistakable.
54. Steren: The Cornish word for “star,” a close relative of the Welsh Seren and just as gentle.
55. Sterre: A short Dutch girl’s name meaning “star,” pronounced STAIR-uh and popular in the Netherlands.
56. Tähti: A crisp Finnish name meaning “star,” pronounced TAH-ti, distinctive for its sound and umlaut.
57. Tara: A Sanskrit name meaning “star” and a major Buddhist and Hindu goddess of compassion. It is also an Irish place name, the Hill of Tara.
58. Urania: The Latinized Ourania, meaning “heavenly,” the Greek muse of astronomy and a fitting pick for a science-minded family.
59. Vega: An Arabic name from al-nasr al-waqi, “the swooping eagle.” Vega is the brilliant lead star of the Lyra constellation.
60. Venera: The Slavic and Latin form of Venus, tied to love and to the planet. The Soviet Venera probes that landed on Venus share the name.
61. Venus: The second planet from the sun and the Roman goddess of love and beauty. As the brightest object in our sky after the moon, it is hard to top.
62. Vesta: The Roman goddess of the hearth, and 4 Vesta, one of the largest bodies in the asteroid belt between Mars and Jupiter. It is warm, vintage, and genuinely astronomical.
63. Yllita: A feminine form of the Albanian word for star, “Ylli,” delicate and rare.
64. Zvezda: A bold choice from Slavic languages meaning “star,” also the name of a module on the International Space Station.

Space Names for Boys

Here are some strong cosmic contenders for your little boy, ranging from planetary gods to famous astronomers.

1. Aero: A short modern name from the Greek aer, “air,” the root of aeronautics. It feels sleek and forward-looking.
2. Apollo: The Greek and Roman god of the sun, music, and light, and the name of NASA’s Moon-landing program: Apollo 11 landed the first humans on the Moon in 1969 ⁽¹⁾. It ranked around #445 for US boys in 2024 and keeps climbing.
3. Aries: The first sign of the zodiac and its ram constellation, from the Latin for “ram.” It carries a bold, fiery energy.
4. Aruna: In Hindu myth, the charioteer of the sun god and the reddish glow of dawn. The Sanskrit name suits a sunrise baby.
5. Astrophel: A literary coinage by poet Sir Philip Sidney meaning “star lover,” from his sonnet sequence Astrophil and Stella.
6. Aten: The sun disk worshipped in ancient Egypt, briefly the supreme god under pharaoh Akhenaten. It is rare, punchy, and historic.
7. Atlas: The Titan made to hold up the heavens in Greek myth, now a popular pick suggesting strength and endurance. Rocketry fans will note the Atlas launch vehicles.
8. Buzz: A lively nickname-name made famous by Apollo 11 astronaut Buzz Aldrin, the second person to walk on the Moon.
9. Caelius: An old Roman family name from caelum, Latin for “sky” or “heaven,” sharing roots with celestial. Cael makes an easy short form.
10. Castor: One of the twins of Gemini and a bright star in that constellation, drawn from Greek myth. It pairs naturally with its twin Pollux.
11. Cosmo: From the Greek kosmos, “order” or “universe,” with a cool retro charm and the ready nickname Cos.
12. Dievs: The supreme sky god of Baltic mythology, an ancient name for parents drawn to rare mythic roots.
13. Draco: Latin for “dragon,” the name of a northern constellation, and a famous fantasy character. More dragon names here.
14. Galileo: The Italian astronomer who improved the telescope and confirmed that Earth orbits the sun. The name is grand, musical, and unmistakably scientific.
15. Helios: The Greek sun god who drove his fiery chariot across the sky each day, the root of words like heliocentric.
16. Horus: The falcon-headed Egyptian god of the sky and kingship, whose eyes were said to be the sun and moon.
17. Jiemba: An Aboriginal Australian name meaning “laughing star,” from the Wiradjuri language.
18. Jupiter: The king of the Roman gods and the largest planet in the solar system, now circled by NASA’s Juno probe. It is a big, confident choice.
19. Khonsu: The ancient Egyptian moon god whose name means “traveler,” lately familiar from Marvel’s Moon Knight.
20. Leo: Latin for “lion” and the zodiac’s lion constellation, and one of the most popular boys’ names, ranking #24 in the US in 2024.
21. Lintang: An Indonesian and Javanese name meaning “star,” with a fresh sound for Western ears.
22. Luan: Meaning “moon” in Portuguese, a popular Brazilian name that also reads as “lion” in Albanian.
23. Máni: The personification of the moon in Norse myth, brother of the sun Sol, pronounced MAH-nee.
24. Mars: The Roman god of war and the Red Planet, the target of every modern Mars rover. It is short, strong, and current.
25. Mercury: The swift Roman messenger god and the smallest planet, closest to the sun. Music fans will hear Freddie.
26. Namid: A Native American name of Ojibwe origin meaning “star dancer,” graceful and uncommon.
27. Neptune: The Roman god of the sea and the deep-blue eighth planet, the farthest from the sun. It has a calm, watery majesty.
28. Nuada: An Irish name for a legendary king of the Tuatha De Danann, linked to the sky, pronounced NOO-ah-dah.
29. Orion: The hunter of Greek myth and one of the most recognizable constellations, marked by its three-star belt. It ranked around #325 for US boys in 2024.
30. Ouranos: The primordial Greek god of the sky and father of the Titans, the source of the planet name Uranus.
31. Perëndi: An Albanian word for “god” or “heaven,” an unusual choice with a strong sky meaning.
32. Perun: The Slavic god of thunder and lightning, ruler of the sky, comparable to Thor or Zeus.
33. Pluto: The Roman god of the underworld and the beloved dwarf planet at the solar system’s edge, mapped up close by NASA’s New Horizons spacecraft, which flew within about 7,800 kilometers of Pluto’s surface on July 14, 2015 ⁽²⁾.
34. Pollux: The brighter of the Gemini twins and that constellation’s leading star, twin of Castor in Greek myth.
35. Ra: The supreme Egyptian sun god who sailed the sky by day and the underworld by night. Two letters, enormous history.
36. Saturn: The Roman god of agriculture and time and the ringed sixth planet, the jewel of any backyard telescope.
37. Solaris: A Latin-flavored name meaning “of the sun,” futuristic and bright, also a classic science-fiction title.
38. Tarak: A Sanskrit name meaning “star” and “protector,” calm and quietly meaningful.
39. Taurus: The bull of the zodiac and its constellation, home to the Pleiades star cluster, from the Latin for “bull.”
40. Titan: The Titans were the elder gods of Greek myth, and Titan is the largest moon of Saturn, the only moon with a thick atmosphere.
41. Uran: A short variant of Uranus used in several languages, tying the name to the sky god and the seventh planet.
42. Ylli: An Albanian name meaning “star,” short, bright, and visually distinctive.
43. Zeus: The king of the Greek gods, ruler of the sky and thunder from Mount Olympus. It is bold and instantly known.
44. Zodiac: A word name for the band of constellations the sun appears to travel through. It is daring and unmistakably cosmic.

Unisex Space Names

These gender-neutral options shine just as bright and work for any baby.

1. Ariel: A moon of Uranus and a Hebrew name meaning “lion of God,” used for boys and girls and familiar from Disney’s Little Mermaid.
2. Aster: Greek for “star” and a genus of star-shaped flowers, fresh and unisex with the easy nickname Ash.
3. Cielo: The Spanish and Italian word for “sky” or “heaven,” soft and romantic, pronounced see-EH-loh.
4. Hesper: From the Greek hesperos, the evening star, which is the planet Venus at dusk. Hesperus is the longer classical form.
5. Hōkū: A Hawaiian name meaning “star,” breezy and warm, found in Hokulea, the famous voyaging star and canoe.
6. Izar: Basque for “star,” and also the name of a bright double star in the constellation Bootes. It is sharp and modern.
7. Jaci: The moon deity in the Tupi-Guarani myth of South America, gentle and easy to say, ZHA-see.
8. Khaos: The yawning void that existed before the universe in Greek myth, the Greek spelling of Chaos. It is edgy and primordial.
9. Nox: Latin for “night” and the Roman goddess of it, equivalent to the Greek Nyx. Short and mysterious.
10. Polaris: The North Star, the steady point the sky seems to turn around, long used by navigators to find their way.
11. Qamar: An Arabic name meaning “moon,” used for boys and girls, with a soft, lyrical sound.
12. Shashi: A Sanskrit name for the moon, literally “marked like a hare,” from the shapes seen on the lunar surface, used across genders.
13. Sky: A breezy nature name celebrating the open air, equally at home on a boy or a girl.
14. Sol: The Latin and Spanish word for “sun,” simple and radiant, and the scientific name for our own star.
15. Sunny: A cheerful nickname that works as a given name, bright and warm for any baby.
16. Terra: Latin for “earth,” grounding the cosmic theme on our own home planet.
17. Vesper: Latin for “evening” and the evening star, Venus at dusk. It picked up a cool edge from the Bond character Vesper Lynd.

FAQs