150 Baby Girl & Boy Names That Mean Outer Space

Outer space has always made people feel small in the most beautiful way possible. Endless galaxies, silent planets, distant stars, and unexplored worlds create a sense of mystery that nothing on Earth can fully match. That feeling is what makes space-inspired names so fascinating. They carry meanings tied to infinity, exploration, light, darkness, wonder, and the unknown beyond our world.

Below are 150 baby girl and boy names inspired by outer space, galaxies, planets, stars, moons, constellations, and cosmic mythology from different cultures and traditions. Some sound futuristic and bold, while others feel dreamy, celestial, and timeless.

Baby Girl Names

These names are elegant, cosmic, and full of meaning. From Greek goddesses to Japanese celestial terms, each one connects your daughter to the universe in a real and beautiful way.

#	Name	Origin	Meaning
1	Astraea	Greek	Star maiden; goddess of justice and innocence
2	Calypso	Greek	A moon of Saturn; nymph of the hidden sea
3	Nashira	Arabic	Bearer of good news; a star in Capricornus
4	Ascella	Latin/Astronomy	Third brightest star in Sagittarius
5	Chanda	Sanskrit/Hindu	Moon goddess; radiant light
6	Danica	Slavic	Morning star; Venus at dawn
7	Elara	Greek/Astronomy	A moon of Jupiter; beloved of Zeus
8	Vesper	Latin	Evening star; twilight sky
9	Theia	Greek	Goddess of the sky and heavenly light
10	Halley	English	Named for Halley’s Comet; cosmic traveler
11	Tara	Sanskrit	Star; a goddess of compassion in Hindu myth
12	Sidra	Latin	Star-born; born of the stars
13	Sitara	Urdu/Persian	Starlight; luminous one
14	Alya	Arabic/Turkish	Sky and heaven; to ascend
15	Zoryana	Ukrainian	Star and dawn; new beginning
16	Fetia	Tahitian/Polynesian	Star; celestial body
17	Eun-Byul	Korean	Silver star; grace of the stars
18	Hoshi	Japanese	Star; celestial guide
19	Fangxuan	Chinese	Fragrant and beautiful star
20	Bingxuan	Chinese	Ice and beautiful star
21	Ayaho	Japanese	Color and star combined
22	Sasaho	Japanese	Comfort and star
23	Byeol-Hui	Korean	Star beauty; bright and splendid
24	Eun-Byeol	Korean	Silver star; mercy of the cosmos
25	Dalbit	Korean	Moonlight; a rare modern celestial name

Cute and Pretty Girl Names

These are softer, more lyrical options for parents who want something beautiful and celestial without being too unusual to pronounce.

#	Name	Origin	Meaning
26	Solange	French/Latin	Sun angel; heavenly sunlight
27	Lyanna	English/Celtic	Light and heavenly grace
28	Taara	Arabic	Star; luminous celestial body
29	Zornitsa	Bulgarian	Morning star; Venus
30	Berlewen	Cornish	Morning star; Venus
31	Ch’aska	Quechua/Incan	Venus star; goddess of dawn and twilight
32	Fanxuan	Chinese	Beautiful and radiant star
33	Yoko	Japanese	Sun and ocean child; celestial light
34	Navi	Hebrew/Pop Culture	Star navigator; a rare modern pick
35	Columba	Latin	Dove; a southern constellation
36	Trella	Spanish	Child of stars
37	Tayna	Latin	Morning star
38	Araciel	Spanish	Altar of heaven
39	Zephyra	Greek	Feminine sky breeze; gentle wind goddess
40	Raina	Old German/Slavic	Queen of skies; pure shining one
41	Estelle	French	Star; classic yet radiant
42	Calisto	Greek/Astronomy	Most beautiful; a moon of Jupiter
43	Adhara	Arabic	Second brightest star in Canis Major
44	Amalthea	Greek/Astronomy	Nymph who nursed Zeus; a moon of Jupiter
45	Bianca	Italian/Astronomy	White; a moon of Uranus
46	Cordelia	Celtic/Astronomy	Jewel of the sea; a moon of Uranus
47	Ophelia	Greek/Astronomy	Helper; a moon of Uranus
48	Portia	Latin/Astronomy	Offering; a moon of Uranus
49	Titania	Greek/Astronomy	Queen of the fairies; largest moon of Uranus
50	Hydra	Greek/Astronomy	Water serpent; a constellation and moon of Pluto

Japanese Cute Girl Names

Japanese names carry layers of meaning tied to poetry, nature, and the cosmos. These picks are phonetically beautiful and deeply rooted in celestial symbolism.

#	Name	Origin	Meaning
51	Amane	Japanese	Heavens and sky; star combined with imperial
52	Fuyuse	Japanese	Winter star; a rare and poetic celestial name
53	Akatsuki	Japanese	Dawn and daybreak; a time between night and day
54	Hoshimi	Japanese	Star beauty; a luminous feminine name
55	Sora	Japanese	Sky; open and free
56	Miku	Japanese	Sky, beautiful, and long time
57	Hotaru	Japanese	Firefly; a soft light in the dark sky
58	Tsukimi	Japanese	Moon viewing; a beautiful sky tradition
59	Hoshiko	Japanese	Star child; a child of the cosmos
60	Saikou	Japanese	Color and radiance; brilliant dazzling light

Baby Boy Names That Mean Outer Space

Strong, bold, and cosmic. These boy names come from stars, moons, constellations, astronomers, and ancient mythology across multiple cultures.

#	Name	Origin	Meaning
61	Badar	Arabic	Full moon; a romantic and powerful name
62	Altair	Arabic	The flying one; 11th brightest star in the galaxy
63	Alioth	Arabic	Brightest star in Ursa Major; a navigational star
64	Castor	Greek	Pious one; one of the twins in Gemini
65	Deimos	Greek/Astronomy	A moon of Mars; fear in Greek mythology
66	Phobos	Greek/Astronomy	A moon of Mars; dread in mythology
67	Aegir	Norse/Astronomy	Ocean giant; a moon of Saturn
68	Oberon	Old English/Astronomy	King of fairies; largest moon of Uranus
69	Lintang	Indonesian	Star; an exotic and melodic name
70	Namid	Native American	Star dancer; a name with breathtaking meaning
71	Ylli	Albanian	Star; short and strong
72	Tecumseh	Native American	Shooting star; name of a legendary leader
73	Shihab	Arabic	Shooting star; meteor of light
74	Hamal	Arabic	A star in Aries; also means lamb
75	Tariq	Arabic	Morning star; one who knocks at the door of dawn
76	Rigel	Arabic	Foot of the mighty one; a star in Orion
77	Azophi	Persian	Named for the astronomer who first observed Andromeda
78	Cassini	Italian	Named for the astronomer who discovered moons of Saturn
79	Kepler	German	Named for the astronomer who mapped elliptical orbits
80	Summanus	Latin	Roman god of the night sky
81	Aten	Egyptian	God of the sun; an asteroid also bears this name
82	Arche	Greek/Astronomy	A moon of Jupiter; beginning
83	Janus	Latin/Astronomy	Two-faced god; a moon of Saturn
84	Kuiper	Dutch	Referring to the Kuiper Belt of asteroids beyond Neptune
85	Bode	German	Command; refers to Bode’s Galaxy

Korean and Chinese Boy Names

#	Name	Origin	Meaning
86	Byeong-Ho	Korean	Bright, luminous, and vast sky
87	Seong-Jin	Korean	Star and planet; a name that shakes the cosmos
88	Dal	Korean	Moon; simple and deeply poetic
89	Beom-Gyu	Korean	Star and model; a name with bright authority
90	Jae-U	Korean	Talent and universe combined
91	Jeong-U	Korean	Rightness and universe; a grounded cosmic name
92	Xing	Chinese	Star; a classic and clear celestial name
93	Yang	Chinese	Sun and ocean; a timeless Chinese celestial name
94	Sakuhito	Japanese	New moon and person; a rare masculine celestial name
95	Esteban	Spanish	Crowned with stars; the Latin star name for boys

Greek and Spanish Baby Names

Greek and Spanish cultures gave the cosmos some of its most enduring names. These picks honor that heritage with real mythological and astronomical roots.

#	Name	Origin	Meaning
96	Aether	Greek	Upper sky; the pure bright air of the gods
97	Helios	Greek	God of the sun; the original solar deity
98	Nyx	Greek	Goddess of the night; primordial darkness
99	Selene	Greek	Moon goddess; luminous and mythological
100	Hyperion	Greek	God who watches over; a Titan and a moon of Saturn
101	Cielo	Spanish/Italian	Sky; fresh and radiant
102	Masiela	Spanish	More sky; expansive and beautiful
103	Araceli	Spanish	Altar of heaven; a feminine Spanish classic
104	Estela	Spanish	Star; the Spanish form of Stella
105	Centaurus	Greek	A bright constellation in the southern sky

Gender-Neutral Baby Names

These names work beautifully for any child. They draw from multiple languages and astronomical sources, making them some of the most versatile on this list.

#	Name	Origin	Meaning
106	Eun-U	Korean	Kindness and universe; vastness of the cosmos
107	Dalbyeol	Korean	Satellite; moon and star combined
108	Byeol	Korean	Star; pure and modern
109	Haneul	Korean	Sky or heavenly realm
110	Sora	Japanese/Korean	Sky; open, free, and poetic
111	Aster	Greek	Starflower; a symbol of cosmic beauty
112	Cielo	Spanish	Sky; bright and neutral
113	Lior	Hebrew	My light; a sky-connected luminous name
114	Phoenix	Greek	Mythical bird of sky flames; rebirth
115	Orin	Celtic	Pale sky; a calm and airy name
116	Zenith	English	Highest point; peak of the sky
117	Equinox	Latin	Equal night and day; a balance of sky forces
118	Nebula	Latin	Cloud or mist; cosmic birthplace of stars
119	Nova	Latin	A star that suddenly brightens; explosive light
120	Eclipse	English/Greek	Rare celestial beauty; transformation in the sky

Unique and Pretty Space-Inspired Names

These are names that rarely appear on mainstream lists. They come from lesser-known star catalogs, indigenous languages, and uncommon astronomical terms.

#	Name	Origin	Meaning
121	Fetuilelagi	Samoan	Universe and star in the sky
122	Fetu	Samoan	Star; short and striking
123	Berlewen	Cornish	Morning star; unique Celtic celestial name
124	Aysulpan	Bashkir	Moon and morning star combined
125	Azelmad	Berber	Close to the meaning of star; an ancient North African name
126	Bardhyl	Albanian	White star; name of an ancient Illyrian king
127	Tidam	Aboriginal Australian	Star; a rare and ancient celestial name
128	Totole	Native American	Star; a name rooted in indigenous sky lore
129	Avari	Modern English	Of the skies; a reimagined celestial name
130	Skylene	Modern English	Of the open sky; a soft and poetic 2025 name

Space-Inspired Last Names That Work as First Names

Astronomer surnames and cosmic terms have become a trendy way to give a child a truly one-of-a-kind first name with serious historical depth.

#	Name	Origin	Meaning/Connection
131	Baade	German	Last name of astronomer Wilhelm Baade; galaxy researcher
132	Burbidge	British	Last name of astrophysicist Eleanor Burbidge
133	Herschel	German-British	Discovered Uranus; a pioneering astronomical surname
134	Copernicus	Polish	Proposed the sun-centered solar system
135	Aldrin	English	Tribute to Buzz Aldrin; second man on the moon
136	Armstrong	Old English	Strong arm; tribute to Neil Armstrong; first man on the moon
137	Galileo	Italian	Improved the telescope; father of observational astronomy
138	Hubble	English	Created the galaxy classification system
139	Valentina	Latin	Named for Valentina Tereshkova, first woman in space
140	Kondor	English	Name of the largest known spiral galaxy

More Rare Outer Space Names Worth Knowing

#	Name	Origin	Meaning
141	Starling	Old English	Little star; also a beautiful songbird
142	Sidereal	English	Of the distant stars; an astronomical measurement term
143	Polaris	Latin	The pole star; North Star
144	Gibbous	English	More than half illuminated; a moon phase name
145	Soleil	French	Sun; warm and brilliant
146	Uchuu	Japanese	Universe; boundless cosmos
147	Kash	Sanskrit	Universe and sky; a name of Indian origin
148	Nabh	Sanskrit	Sky; a grounded and rare Indian celestial name
149	Caelum	Latin	Heaven and sky realm; a southern constellation
150	Aero	Greek	Of the sky; clean, modern, and strongly celestial

Key Takeaways

Space names come from every culture, which means you can find one that fits your heritage, your aesthetic, and your values all at once. Japanese names like Hoshi and Amane carry poetic softness. Korean names like Byeol and Dalbit feel modern and clean. Greek names like Selene and Aether hold mythological depth. Spanish names like Cielo and Araceli have warmth and rhythm.

Gender-neutral names like Nova, Zenith, and Eclipse work across all identities. Astronomer surnames turned first names like Herschel, Aldrin, and Galileo give your child a name tied to real human achievement in space exploration.

If you want something no other child in the class will have, look past the popular top-ten lists and go deeper into indigenous languages, East Asian naming traditions, or old astronomical catalogs. That is where the truly rare names live.

Frequently Asked Questions

What does it mean when a baby name is connected to outer space?

It means the name originates from a star, planet, moon, constellation, cosmic event, or mythology tied to the sky and universe. These names often carry meanings like light, guidance, vastness, and wonder.

Are space names only popular in Western cultures?

No. Korean, Japanese, Chinese, Arabic, Sanskrit, Polynesian, and indigenous cultures all have rich traditions of giving children names rooted in stars, moons, and the cosmos.

Can a space name work as both a first name and a middle name?

Yes. Many parents use cosmic names like Nova, Rigel, or Orion as middle names because they add meaning without putting pressure on the child to carry an unusual first name daily.

Is it better to choose a space name from your own cultural background?

It is thoughtful to consider cultural connection, but many celestial names have crossed cultures for centuries. Names like Altair, Selene, and Sora are used globally and carry no cultural restrictions.

Are there space names that are easy to pronounce in any language?

Yes. Names like Nova, Lyra, Halo, Kash, Sora, and Aero are short, phonetically simple, and easy to pronounce in most languages without distortion.

What space names are trending for 2025 and 2026?

Names like Skylene, Avari, Zephyra, Haneul, and Nebula are rising in modern baby name communities, while classics like Nova, Orion, and Lyra remain steadily popular.

Do astronomer surnames work as baby first names?

Many parents are using names like Aldrin, Herschel, and Galileo as first names. These have historical weight and a unique sound that feels both intellectual and adventurous.

Can I combine two space name meanings to create something truly original?

Absolutely. Names like Dalbyeol (moon and star in Korean) and Fetuilelagi (universe and sky in Samoan) already do this. Many cultures blend two celestial words to create a single poetic name.