Unique Space Boy Names That Are Out of This World Cool
Picking the perfect baby name is like trying to find a needle in a galaxy-sized haystack. You want something unique and meaningful, but please, not so out-there that your kid spends their whole life spelling it for everyone.
If you’re crushing on space-inspired boy names but worried about sounding like you raided a sci-fi movie script, you’re in the right place.
I’ve rounded up a stellar list of cosmic names that are totally cool, easy to love, and packed with beautiful meanings.
So buckle up, because your baby boy’s name is about to take off into the stars
What Are Space Themed Boy Names?
So, what exactly are space boy names?
Glad you asked!
These are names inspired by all things cosmic—think dazzling stars, mysterious moons, mighty planets, and the vast galaxies that make our night sky look like a million twinkling fairy lights.
We’re talking about names pulled straight from constellations like Orion and Leo, celestial bodies like the sun and moon, and even those cool, futuristic vibes from your favorite sci-fi movies and shows.
Basically, if it has a connection to the universe—whether it’s a star’s name, a moon’s nickname, or the hero from that epic space saga you binge-watched last weekend—it’s fair game.
Perfect for giving your little guy a name that’s out of this world, but still totally approachable here on Earth.
Space Boy Names List from A to Z
A
Achird
Achird – (Invented name) “Achrid” sounds like the name of a mysterious moon where only the brave dare land. It gives strong sci-fi hero energy—like your little dude is already halfway to being the main character and refers to the star Eta Cassiopeiae
Acrux
Acrux – (Latin origin) derived from Alpha Crucis, the brightest star in the Southern Cross constellation. Acrux is basically space royalty. It’s bold, rare, and sounds like the name of a rocket ship or a Marvel villain (in a good way)
Aero
Aero – (Greek origin) means “air” or “of the sky.” Need we say more? It’s breezy, light, and literally sky-high cool. This name has major futuristic, jetpack-wearing vibes, perfect for your little high-flyer
Aeron
Aeron – (Welsh origin) possibly linked to the Celtic god of battle or “berry” depending on the source, but we’re calling it space-adjacent thanks to its airy, celestial sound. Aeron feels like the quiet genius kid building robots in the garage
Ainar
Ainar – this strong, cosmic-sounding name has roots in Kazakh, meaning “fire moon.” And honestly, Ainar does sound like the kind of name you’d give the noble guardian of a distant galaxy or the toddler who fiercely defends his snack stash. It’s bold, rare, and just mysterious enough to feel like it came with its own star map
Aldrin
Aldrin – (English origin) meaning “old and wise ruler”, this name practically moonwalks with coolness. Inspired by the iconic Buzz Aldrin, one of the first humans to stroll across the lunar surface, it carries major astronaut energy. Aldrin feels like the name of a kid who’s already planning his first rocket launch and correcting your planet facts at age four
Alioth
Alioth – (Arabic origin) meaning “the fat tail of the sheep,” Alioth is also the brightest star in the Ursa Major constellation. It’s got that mysterious, celestial ring to it, like the name of a wise star traveler who probably has his own theme music
Altair
Altair – (Arabic origin) means “the flying eagle” and is one of the brightest stars in the Aquila constellation. Altair sounds sleek, sharp, and powerful, like the kind of name a kid would have in a futuristic space academy where they train to save the galaxy
Altan
Altan – (Turkish origin) meaning “red dawn” or “golden,” Altan gives major sunrise-on-Mars energy. It’s warm, bold, and totally unique, like the kind of name that belongs to a future explorer who builds his own rover out of LEGO brick
Amaris
Amaris – (Spanish/Hebrew origin) means “child of the moon.” It’s a beautifully poetic name that feels soft, mysterious, and perfectly bathed in lunar glow—like a little one born under a shimmering night sky
Aniket
Aniket – (Sanskrit origin) meaning “one who makes the world his home,” which is basically the most space-core vibe ever. Aniket feels worldly, wise, and like your little guy already has a passport full of planet
Anshul
Anshul – (Sanskrit origin) this name means “radiance” or “sunbeam.” It shines with gentle strength and feels like the kind of name you’d hear in a cosmic lullaby sung under the stars
Apollo
Apollo – (Greek origin) meaning “destroyer” or “manly beauty,” Apollo was also the god of the sun and music. And of course, it’s forever tied to the legendary NASA missions that first landed humans on the moon. This name screams adventure and ambition, like your baby might just be born wearing a space suit
Araceli
Araceli – (Latin/Spanish origin) means “altar of the sky” or “heavenly altar.” It’s more common as a girl’s name, but could totally go unisex, especially with that ethereal vibe
Arche
Arche – (Greek origin) means “beginning” or “origin.” It’s also the name of one of Jupiter’s tiny moons, giving it an ancient, mystical vibe that feels both scholarly and otherworldly
Archer
Archer – (English origin) means “bowman” and while it’s not a star name per se, it totally channels Sagittarius vibes, aka the archer of the zodiac. It feels adventurous and cool, like the kid who’s already aiming for the stars and hitting every target
Aries
Aries – (Latin origin) means “ram” and is tied to the fiery first sign of the zodiac. Aries is bold, energetic, and headstrong, perfect for a kid who’s ready to lead the charge—on the playground or on Mars
Arion
Arion – (Greek origin) means “braver” or “martially strong.” In mythology, Arion was an immortal, magical horse, and in the night sky, it’s linked to celestial legends, giving it an epic, star-crossed quality. It’s also the name of an extrasolar planet in the Delphinus constellation
Arkas
Arkas – (Greek origin) means “bear.” In mythology, Arkas became the constellation Ursa Minor, so the name is literally written among the stars
Artemis
Artemis – (Greek origin) means “goddess of the hunt,” and while traditionally a female name, it’s making waves as a unisex pick thanks to NASA’s Artemis missions to the moon. It feels fierce and mythic, like your little Artemis is destined for lunar greatness
Astraeus
Astraeus – (Greek origin) means “starry one” or “Titan of dusk” in Greek mythology. He was the god of stars and planets, and honestly, sounds like the kind of name you’d give a baby born during a meteor shower
Astro
Astro – (Greek origin) means “star,” and honestly, could a name be more space-core? It’s playful, punchy, and totally futuristic, like your toddler is already coding for NASA in between snack breaks
Aten
Aten – (Egyptian origin) refers to the sun disk in ancient Egyptian mythology. It radiates major solar power vibes and has this cool, mysterious edge, like the name of a quiet kid who ends up discovering alien life
Atlas
Atlas – (Greek origin) means “to carry” and refers to the Titan who held up the sky. It’s strong, epic, and just the right amount of dramatic. Atlas sounds like someone born to carry the future of space exploration on his tiny, adorable shoulders
Avi
Avi – (Hebrew origin) means “father” or “my father,” but it also gives serious sky-high energy thanks to its closeness to “aviation.” It’s short, sweet, and snappy, like the name of a kid who’s always flying—whether it’s with paper planes or pure imagination
Avior
Avior – (Hebrew origin) means “my father is light,” and it’s also the name of a bright double star in the southern sky. It feels luminous and rare, like the kind of name you’d give a baby who practically glows with main character energy
Aydan
Aydan – (Turkish origin) means “from the moon” or “moonlight,” which is basically the definition of dreamy. Aydan has a gentle yet modern vibe, perfect for a little moonbeam who’s soft on the outside but strong where it counts
Aylin
Aylin – (Turkish origin) means “moon halo.” It’s soft, luminous, and feels like something whispered under the stars
Azar
Azar – (Persian origin) means “fire” or “flame,” and it definitely brings the heat. Azar feels bold, mystical, and a little bit magical, like your tiny human was born to light up the universe (or at least the living room)
B
Badar
Badar – (Arabic origin) means “full moon” and glows with celestial charm. It feels poetic and luminous, like the name of a baby born during a moonrise with a whole vibe of calm cosmic wisdom
Baran
Baran – (Persian origin) means “rain,” but in Turkish mythology, Baran is also a celestial warrior. This name drips with mystique and power, like your little one might be plotting his first space mission while stacking blocks
Barlowe
Barlowe – From Barlowe’s Guide to Extraterrestrials, a cult-fave space-themed book. It’s got that “cool kid in honors science class” energy
Belenos
Belenos – (Celtic origin) was the ancient god of the sun. That’s right, solar royalty. Belenos feels mythic and radiant, like your kid already has a glowing aura and a destiny to light up the universe
Blaze
Blaze – (English/Latin origin) means “fire” or “flame.” It’s fast, fierce, and feels like a name built for warp speed. Blaze brings the heat and totally sounds like the kid who’s gonna launch the next generation of rockets… or melt hearts at daycare
Buzz
Buzz – (English origin) is famously tied to astronaut Buzz Aldrin, one of the first men on the moon. It’s quirky, punchy, and full of retro astronaut swagger. If you want your little one to have main-character energy and big adventure vibes, Buzz is your guy
C
Cael
Cael – (Latin origin) means “heaven” or “sky.” It’s short, sleek, and totally celestial. Cael feels like the name of a future sky pilot or the quiet genius in your orbit who’s already designing hoverboards
Caelum
Caelum – pronounced “SEE-lum” (Latin origin) means “chisel” or “heaven” and is also the name of a faint constellation in the southern sky. It sounds elegant and airy, like your little one came preloaded with star maps and a poetic soul
Callisto
Callisto – (Greek origin) means “most beautiful” and is also the name of one of Jupiter’s largest moons. It’s got major mythological energy with a touch of interplanetary mystery, perfect for a baby with big dreams and even bigger curiosity
Cassian
Cassian – (Latin origin) From Star Wars: Rogue One (Cassian Andor). It’s sleek, modern, and 100% space-ready. Cassian gives cool rebel energy while still sounding totally wearable and means “”of Cassius”
Castor
Castor – (Greek origin) means “to shine” and is one of the twin stars in the Gemini constellation. Castor is bold, classic, and totally gives off twin-energy whether or not he actually has a sibling. Bonus: it sounds like the name of a space explorer with a cool leather jacket
Celaeno
Celaeno – (Greek origin) means “the dark one” and is one of the stars in the Pleiades cluster. It’s mysterious and rare, like the name of a shadowy starship captain in a sci-fi novel, or your baby when he’s suspiciously quiet in the other room
Celesto
Celesto – (Latin-inspired) is a modern celestial twist that evokes “celestial” and “heavenly.” It sounds futuristic, floaty, and magical, like a baby born under a rare cosmic alignment with a built-in astronaut name tag
Cielo
Cielo – (Spanish origin) means “sky” or “heaven.” It’s soft, poetic, and perfect for a dreamy baby with big eyes and big vibes
Comet
Comet –(Latin origin) comes from cometa, meaning “long-haired star,” thanks to that glowing tail streaking through the sky. Comet is quirky, bold, and full of energy, like the name of a kid who zooms through the living room at light speed and leaves a trail of glitter behind
Cosmo
Cosmo – (Greek origin) means “order” or “universe.” This name is pure galactic charm. Whether you’re thinking of space, Seinfeld, or a stylish little dude with starry eyes, Cosmo is playful and totally orbit-worthy
Crux
Crux – (Latin origin) means “cross” and is the name of the Southern Cross constellation. It’s short, edgy, and feels like a strong space captain name. Crux has mysterious explorer energy, like a kid who’s always searching for hidden treasure, on Earth and Mars
Cupid
Cupid – (Latin origin) means “desire” or “love.” While best known as the Roman god of love, it’s also the name of one of Uranus’s moons, making it a sweet yet unexpected choice for a space-loving family
Cyrus
Cyrus – (Persian origin) means “sun” or “throne.” It radiates warmth and royalty. Cyrus feels like the name of someone destined to rule a solar empire (or at least the snack cabinet)
D
Dariel
Dariel – (Hebrew origin) means “beloved” or “God is my guide,” but it has a dreamy, starry rhythm that feels right at home in a cosmic nursery
Dax
Dax – (French origin) from Star Trek: Deep Space Nine. Short, snappy, and totally futuristic. Dax feels like the name of someone who could pilot a starship and win the baby name game. It means “leader”
Draco
Draco – (Latin origin) means “dragon” and is the name of a constellation that slithers around the northern sky. Draco feels bold and mystical, like the kind of name you give a kid who may or may not be part dragon and definitely rules the playground like a tiny cosmic boss
Deimos
Deimos – (Greek origin) means “terror” or “dread” and is the name of one of Mars’s two moons. Yes, the name is intense, but in the best way. It’s mysterious and powerful, like your baby might secretly be plotting to rule a galaxy, but still snuggles like a champ
Deneb
Deneb – (Arabic origin) means “tail” and refers to the tail of the swan in the Cygnus constellation. It’s also one of the brightest stars in the night sky. Deneb feels soft but strong, like a dreamer with serious main character energy and a telescope for a sidekick
Donati
Donati – (Italian origin) comes from Comet Donati, one of the most beautiful comets observed in the 19th century. This name feels elegant, rare, and totally star-studded, like your little one was named after a cosmic event and destined for something big
Dorado
Dorado – (Spanish origin) means “golden” and is also a constellation in the southern sky. It sounds sleek and luminous, like a baby born with a sparkle in his eye and the soul of a star navigator
Dyson
Dyson – as in the Dyson sphere, a theoretical megastructure that could surround a star to harness its energy. Nerdy, powerful, and full of science-meets-style potential
E
Eclipse
Eclipse – (Latin origin) means “to obscure” or “to darken.” It’s a dramatic, mysterious name that captures the rare and powerful beauty of solar and lunar eclipses. Bonus: it’s totally gender-neutral and future-forward
Elio
Elio – (Italian and Spanish origin) means “sun.” Warm, bright, and effortlessly cool, Elio has big golden energy and major indie movie main character vibes
Elnath
Elnath – (Arabic origin) means “the butting” and refers to a bright star at the tip of Taurus the Bull’s horn. It’s unique, cosmic, and totally under-the-radar celestial
Endor
Endor – (Hebrew origin) means “spring” or “fountain.” While its biblical roots run deep, it’s best known for being the forest moon in Star Wars—aka home of the adorable Ewoks. Earthy and galactic all in one
Equinox
Equinox – (Latin origin) comes from aequus (equal) and nox (night), referring to the time of year when day and night are equal. With strong seasonal and celestial vibes, Equinox feels like a bold, futuristic pick for a little trailblazer
Eris
Eris – (Greek origin) means “strife.” It’s the name of a dwarf planet beyond Pluto and also the Greek goddess of discord. For a baby with a fiery spark and a name that packs punch
Eros
Eros – (Greek origin) means “love.” Named after the Greek god of love and also an asteroid in space, Eros is equal parts passionate and powerful. A name for the starry-eyed dreamer who’s bound to leave a cosmic impression
F
Falcon
Falcon – (English origin) means “bird of prey.” In the space world, this instantly brings to mind the Millennium Falcon from Star Wars and SpaceX’s Falcon rockets. It’s sleek, fast, and totally cool for a future adventurer
Felis
Felis – (Latin origin) means “cat.” In astronomy, Felis is a star in the constellation Hydra. It’s the purr-fect blend of cosmic charm and feline mystique
Flare
Flare – (English origin) means “to blaze with sudden light.” Inspired by solar flares, this name bursts with energy and heat, perfect for a little one who’s destined to light up every room
Frey
Frey – (Norse origin) means “lord” or “god of fertility and prosperity.” In mythology, Frey is associated with the sun and good harvests, giving this name both celestial and earthy vibes
G
Galaxy
Galaxy – (Greek origin) comes from “galaxias,” meaning “milky” — as in the Milky Way. It’s a bold, imaginative pick for a kid destined to dream big and maybe even claim their own corner of the cosmos
Galileo
Galileo – (Italian origin) means “from Galilee.” Forever linked to Galileo Galilei, the legendary astronomer who turned his telescope to the stars and changed how we see the universe. This name carries pure science-meets-poetry energy
Garnet
Garnet – (English origin) comes from the deep red gemstone, whose name is rooted in the Latin word for “pomegranate.” In space terms, Garnet is also the nickname for a reddish-hued star, making it a gem of a choice for a celestial-inspired names
Gemini
Gemini – (Latin origin) means “twins.” It’s a zodiac sign and a constellation, plus the name of NASA’s Gemini space program. Perfect for a little one with boundless curiosity (or for twin boys if you’re feeling literal)
Ginan
Ginan – (Aboriginal origin) is the name of a star in the Southern Cross constellation. It comes from the Wardaman people’s Dreaming stories, giving it a rich cultural and astronomical heritage
Glenn
Glenn – (Scottish origin) means “valley.” A grounded name that soars thanks to John Glenn, the first American to orbit the Earth and a true pioneer of space exploration
H
Hadar
Hadar – (Arabic origin) means “ground” or “settled.” In astronomy, Hadar is a bright star in the constellation Centaurus, giving this grounded name a brilliant, celestial twist
Halley
(English origin) means “meadow.” Most famous for Halley’s Comet, the bright traveler that swings by Earth roughly every 76 years, making the name feel rare, memorable, and a little bit magical
Hamal
Hamal – (Arabic origin) means “lamb.” It’s also the brightest star in the constellation Aries, making this gentle-sounding name quietly powerful
Han
Han – (Chinese origin) means “leader” or “country.” It’s got major sci-fi cred thanks to Han Solo from Star Wars, giving it instant intergalactic cool factor
Hartley
Hartley – (English origin) means “stag meadow.” Known in the space world for comet 103P/Hartley, it’s a solid, classic name with just the right dash of cosmic cool
Hektor
Hektor – (Greek origin) means “steadfast” or “holding fast.” Beyond its mythological warrior roots, it’s also the name of a large asteroid in the Jupiter Trojan group, tough, timeless, and totally spaceworthy
Helios
Helios – (Greek origin) means “sun.” In mythology, Helios was the personification of the sun, driving his golden chariot across the sky each day, a name bursting with warmth and light
Hercules
Hercules – (Greek origin) means “glory of Hera.” While famous for the hero of myth, it’s also the name of a constellation. This one packs serious strength and star power
Herschel
Herschel – (German origin) means “deer.” It honors astronomer William Herschel, who discovered Uranus and several moons, making it perfect for a little scientist-in-the-making
Hesperos
Hesperos – (Greek origin) means “evening star,” a poetic nod to Venus when it appears at dusk. It’s lyrical, rare, and brimming with celestial romance
Hoku
Hoku – (Hawaiian origin) means “star.” Short, sweet, and literally sparkling with celestial charm
Holmes
Holmes – (English origin) means “from the island in the river.” In astronomy, it calls to mind Comet 17P/Holmes, famous for its unexpected outburst that made it visible to the naked eye in 2007
Hunter
Hunter – (English origin) means “one who hunts.” It’s linked to Orion the Hunter, one of the most recognizable constellations, making it a strong and adventurous space-inspired choice
I
Icarus
Icarus – (Greek origin) means “follower.” In mythology, Icarus famously flew too close to the sun, and in astronomy, it’s also the name of a distant blue supergiant star, perfect for a bold dreamer
Illyrian
Illyrian – (Greek origin) refers to “the people of Illyria,” an ancient region along the Adriatic. In Star Trek, the Illyrians are an alien species, giving this historic name a sci-fi sparkle
Indus
Indus – (Latin origin) means “Indian.” It’s the name of a southern sky constellation that represents an Indigenous person, adding a global and celestial flair
Itri
Itri – (Berber origin) means “star.” Short, striking, and literally glowing with cosmic meaning
Izar
Izar – (Basque origin) means “star.” It’s also the name of a bright binary star in the constellation Boötes, making it a stellar pick in every sense
J
Janus
Janus – (Roman origin) means “gateway” or “archway.” In mythology, Janus is the god of beginnings and transitions, and in astronomy, it’s the name of one of Saturn’s moons, ideal for a little one starting his own cosmic journey
Jerah
Jerah – (Hebrew origin) means “moon.” Soft yet strong, it feels timeless and perfectly celestial
Jericho
Jericho – (Hebrew origin) means “city of the moon.” It’s got ancient roots and a cool, adventurous sound, like a future space explorer charting new worlds
Jove
Jove – (Latin origin) means “father of the sky” and is another name for Jupiter, the king of planets. It’s a short, bold choice with massive celestial energy
Juno
Juno – (Latin origin) means “queen of the heavens.” While traditionally feminine, it’s also the name of a NASA space probe, making it a modern, unisex option with serious star power
Jupiter
Jupiter – (Latin origin) means “sky father.” As the largest planet in our solar system, it’s a name that commands attention and brings big, powerful vibes
K
Kale
Kale – (Hawaiian origin) means “strong” or “man.” In astronomy, Kale is also one of Jupiter’s moons, giving this earthy, simple name a hidden celestial link
Kaveh
Kaveh – (Persian origin) means “royal” or “noble.” While rooted in Persian legend, it carries the grandeur you’d expect from a hero in a galaxy-spanning saga. It’s a star in the constellation Pegasus
Keenan
Keenan – (Irish origin) means “ancient” or “descendant of Cian.” It’s got all the space vibes thanks to the Keenan Crater on the Moon. Who doesn’t want their name etched into lunar history. The Keenan System is also a galaxy name so bonus points
Keid
Keid – (Arabic origin) means “eggshell.” It’s also the name of a triple star system in the constellation Eridanus, making it an astronomer’s hidden gem
Kepler
Kepler – (German origin) means “hat maker.” More famously, it’s tied to Johannes Kepler, the groundbreaking astronomer who mapped the laws of planetary motion (basically the ultimate science name-drop)
Kirk
Kirk – (Scottish origin) means “church.” Of course, sci-fi fans will think instantly of Captain James T. Kirk from Star Trek, giving it instant interstellar swagger
Kuiper
Kuiper – (Dutch origin) means “cooper” or “barrel maker.” In astronomy, the Kuiper Belt is a region beyond Neptune filled with icy bodies and dwarf planets, making this name frosty and fascinating
L
Leo
Leo – (Latin origin) means “lion.” It’s also a major zodiac sign and constellation, making it both fierce and astronomically famous
Levy
Levy – (Hebrew origin) means “joined” or “attached.” It’s most famously tied to the Shoemaker–Levy 9 comet that collided with Jupiter in 1994, making it a name with real space history
Lintang
Lintang – (Indonesian origin) means “star.” Simple, poetic, and twinkling with celestial charm
Luke
Luke – (Greek origin) means “light-giving.” Aside from its luminous meaning, it’s impossible not to think of Luke Skywalker from Star Wars, giving it instant sci-fi cred
Lynx
Lynx – (Greek origin) means “lynx” (the wild cat). In astronomy, Lynx is a faint constellation named for the keen eyesight needed to spot it, which makes it a cool choice for sharp-eyed dreamers
M
Mannix
Mannix – (Irish origin) means “little monk,” but it’s got a cool, modern edge. It’s also the name of an asteroid (number 8694 Mannix) if you want to geek out on celestial bodies
Mars
Mars – (Roman origin) means “god of war.” As the fiery red planet next door, it’s bold, fierce, and perfect for a little guy destined to explore new frontiers
Maui
Maui – (Polynesian origin) is the name of a demigod and hero who pulled islands from the sea. Plus, there’s a crater named Maui on the Moon, giving it both mythological and celestial cred
Mercury
Mercury – (Latin origin) means “messenger.” It’s the smallest and fastest planet in our solar system, and the name packs speed and smarts, a quick-witted cosmic traveler in the making
Meridian
Meridian – (Latin origin) means “midday” or “highest point.” It refers to an imaginary line in the sky used in astronomy and navigation, making it a sophisticated and unique celestial name
Meteor
Meteor – (Greek origin) means “high in the air.” Inspired by the shooting stars that blaze across the night sky, Meteor is a flashy, adventurous choice for a kid who’s all about making an entrance
Mizar
Mizar – (Arabic origin) means “girdle” or “belt.” It’s a bright double star in the Big Dipper constellation, making it a stellar choice for a name that shines with classic cosmic vibes
Moriah
Moriah – (Hebrew origin) means “chosen by God.” It’s also the name of a star in the Delphinus constellation, giving it a lovely celestial sparkle alongside its meaningful roots
N
Namid
Namid – (Sioux origin) means “star dancer.” It’s poetic and full of movement, perfect for a little one who’s destined to light up the night sky
Nash
Nash – (English origin) means “by the ash tree.” It’s also the name of a star in the Sagittarius constellation, giving this simple, modern name a cool celestial connection
Neil
Neil – (Irish origin) means “champion.” It’s famously tied to Neil Armstrong, the first person to walk on the moon, making it a legendary choice for any space-loving family
Neptune
Neptune – (Roman origin) means “god of the sea.” As the farthest known planet in our solar system, it’s mysterious, deep, and perfect for a little explorer with a cosmic spirit
Nereus
Nereus – (Greek origin) means “sea god.” In astronomy, Nereus is an asteroid with a slightly mysterious and mythological vibe
Nero
Nero – (Latin origin) means “strong” or “powerful.” It’s also the name of a star in Orion’s Sword, making it a bold and cosmic choice for a little one destined to shine bright in the galaxy
Nix
Nix – (Greek origin) means “night.” It’s also the name of one of Pluto’s moons, giving it that edgy, dark, and celestial appeal.
O
Oberon
Oberon – (German origin) means “noble bear.” It’s the name of one of Uranus’s largest moons, making it a majestic and celestial choice
Orion
Orion – (Greek origin) means “son of fire” or “rising in the sky.” It’s one of the most famous constellations, representing a mighty hunter, perfect for a little star warrior
Orpheus
Orpheus – (Greek origin) means “beautiful voice.” Known as a legendary musician and poet, his myth has celestial echoes, making this name poetic and cosmic
P
Pallas
Pallas – (Greek origin) means “maiden” or “wisdom.” It’s also the name of a large asteroid in the asteroid belt, making it a wise and celestial choice
Pavo
Pavo – (Latin origin) means “peacock.” It’s a southern constellation named for the peacock, making it a colorful and celestial choice
Perseus
Perseus – (Greek origin) means “destroyer.” It’s a famous constellation named after the legendary Greek hero, giving this name mythic strength and starry power
Phoenix
Phoenix – (Greek origin) means “dark red.” It’s both a mythical bird rising from ashes and a constellation, symbolizing rebirth and cosmic fire, perfect for a little fighter
Pluto
Pluto – (Roman origin) means “wealth” or “riches.” Known as the dwarf planet on the edge of our solar system, it’s mysterious, cool, and a little bit rebellious
Polaris
Polaris – (Latin origin) means “of the pole.” It’s the North Star, guiding travelers for centuries — a steady and shining beacon in the night sky
Pollux
Pollux – (Greek origin) means “very sweet.” It’s one of the two brightest stars in the Gemini constellation, making it a stellar pick for a twin or a sweet little star
Pyxis
Pyxis – (Greek origin) means “compass box.” It’s a small southern constellation associated with navigation, perfect for a guiding light
R
Regulus
Regulus – (Latin origin) means “little king.” It’s the brightest star in the Leo constellation, shining with royal cosmic energy
Rigel
Rigel – (Arabic origin) means “foot.” It’s a super bright blue star in the Orion constellation, making it a stellar choice with a powerful presence
Rocket
Rocket – (English origin) means “projectile.” It’s bold, fast, and futuristic, the perfect name for a little guy ready to blast off into the stars
Roland
Roland – (Germanic origin) means “famous land.” It’s connected to the Arend-Roland comet, adding a cosmic twist to this classic, knightly name
Ross
Ross – (Scottish origin) means “headland” or “promontory.” In space terms, it’s linked to the Ross catalog of stars, a famous list of nearby red dwarf stars compiled by astronomer Frank Elmore Ross
S
Sabik
Sabik – (Arabic origin) means “preceding” or “coming before.” In astronomy, Sabik is a bright binary star in the constellation Ophiuchus, shining with a soft, white glow
Salem
Salem – (Arabic origin) means “peaceful” and is also the name of a lunar crater, giving it an unexpected celestial twist. It’s a grounded yet cosmic choice, perfect for a little boy who’s as calm as he is out of this world
Samson
Samson – (Hebrew origin) means “sun” or “sun child.” This strong, radiant name ties to the power and warmth of our very own star.
Saturn
Saturn – (Latin origin) means “god of sowing” or “seed.” It’s the majestic ringed planet that has fascinated astronomers and dreamers for centuries
Seren
Seren – (Welsh origin) means “star.” It’s a beautifully simple and radiant name that feels like a gentle sparkle in the night sky, perfect for a little one destined to shine bright
Sirius
Sirius – (Greek origin) means “glowing” or “scorching.” Known as the Dog Star, Sirius is the brightest star in the night sky and a celestial showstoppe
Sol
Sol – (Latin origin) means “sun.” A short, strong name that quite literally embodies the center of our solar system
Solaris
Solaris – (Latin origin) means “of the sun.” It carries a futuristic, sci-fi vibe while still being rooted in our starry reality
Stellan
Stellan – (Old Norse origin) means “star.” Sleek and luminous, it’s a name that shines with quiet confidence, like a bright point of light in the night sky
Sterling
Sterling – (English origin) means “little star” or “of high quality.” While it sparkles with celestial charm, it also radiates sophistication
Sonny
Sonny – (English origin) means “son” or “sun.” A cheerful, warm name that feels like pure golden light
T
Tarak
Tarak – (Sanskrit origin) means “protector” or “star.” It’s a strong, radiant name perfect for a little guardian of the galaxy
Taurus
Taurus – (Latin origin) means “bull.” It’s a powerful zodiac constellation filled with bright stars and celestial strength
Themis
Themis – (Greek origin) means “divine law” or “order.” It’s also the name of a large asteroid, making it a name that balances cosmic mystery with ancient wisdom
Titan
Titan – (Greek origin) means “giant.” It’s the largest moon of Saturn and a name packed with strength and celestial grandeur
Titus
Titus – (Latin origin) means “title of honor.” It’s the name of a crater on the Moon, adding a strong cosmic link
Toliman
Toliman – (Arabic origin) means “the ostrich.” It’s another name for Alpha Centauri, the closest star system to our Sun, making it a stellar pick
Triton
Triton – (Greek origin) means “sea god.” It’s Neptune’s largest moon, giving this name a deep, mysterious, and cosmic vibe
U
Umbriel
Umbriel – (Latin origin) means “shade” or “shadow.” It’s one of Uranus’s moons and has a dark, mysterious allure
Ursa
Ursa – (Latin origin) means “bear.” It’s the root of Ursa Major and Ursa Minor, two famous constellations featuring the Big and Little Bears
V
Vallis
Vallis – (Latin origin) means “valley.” It’s famously part of Valles Marineris, the massive canyon system on Mars, giving it a rugged, otherworldly feel
Vega
Vega – (Arabic origin) means “falling” or “swooping eagle.” It’s one of the brightest stars in the Lyra constellation, shining brilliantly in the summer sky
Vesper
Vesper – (Latin origin) means “evening star.” It’s a poetic name full of twilight magic and celestial charm
Volan
Volan – (Latin origin) comes from Volans, a constellation in the southern sky meaning “flying.” This sleek and lesser-known cosmic cluster is all about graceful movement through the stars. It’s a cool, mysterious name with major space-age vibes
Vulcan
Vulcan – (Latin origin) means “fire.” It’s the Roman god of fire and metalworking, and also the name of a hypothetical planet once believed to orbit near the Sun, giving it a powerful and cosmic edge
W
Winthrop
Winthrop – (English origin) means “friendly village.” It’s also the name of a lunar crater, giving this classic name a subtle but stellar connection
Wolf
Wolf – (German origin) means “wolf.” It’s the name of Wolf 1061, a nearby red dwarf star with a few potentially habitable planets, making it a fierce and cosmic choice
Z
Zenith
Zenith – (Arabic origin) means “the highest point in the sky.” It’s the perfect name for a little boy destined to reach for the stars and rise above it all. In astronomy terms, the zenith is the spot in the sky right above your head, basically the ultimate top of the world (or, you know, the whole universe)
Zosma
Zosma – (Greek origin) means “girdle” or “belt.” It’s a bright star in the Leo constellation, shining with a bold and radiant energy. This name carries regal cosmic vibes, perfect for a little guy destined to stand out like a star in the night sky
More Unique Boy Name Lists
Strong Boy Names with Meanings
Cute Boho Boy Names with Meanings
Cute First and Middle Boy Names
Cutest Boy Names with Nicknames
Wrapping Up Space Themed Boy Names
And there you have it, a whole universe of space-inspired boy names that are unique, meaningful, and just the right side of cool without sending your kiddo into daily spelling battles.
Whether you’re drawn to the timeless sparkle of a star like Sirius, the powerful vibe of a moon like Titan, or a fun nod to your favorite sci-fi hero, these names give your little guy a cosmic start that’s totally his own.
So, go ahead and let your imagination blast off!
Bookmark this list, share it with your partner, and start picturing your baby boy as the brightest star in your family galaxy.
Ready to find that perfect name?
Because trust me, your little astronaut deserves nothing less than a name that’s truly out of this world!