Looking to the skies for baby name inspiration? From my experience as a mom of 5, I know how challenging it can be to find the perfect name that feels both meaningful and unique. These 99 celestial baby boy names are drawn from stars, planets, mythology, and the heavens above—each with a cosmic charm that's truly out of this world.

After naming five little ones myself, I've learned that celestial baby boy names offer something special: they're timeless, carry deep meaning, and often spark wonderful conversations about the stories behind them.

Once you've chosen the perfect celestial name for your little star, don't forget to add all the essentials to your baby registry checklist to prepare for your bundle of joy's arrival.

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Getting Started with 99 Celestial Baby Boy Names

1. Apollo

Meaning: Destroyer
Origin: Greek
Association: Greek god of the sun, music, and prophecy; NASA's Apollo space missions

2. Orion

Meaning: Dawning
Origin: Greek
Association: Prominent constellation named after a mythical hunter

3. Leo

Meaning: Lion
Origin: Latin
Association: Zodiac sign and constellation

4. Atlas

Meaning: To carry
Origin: Greek
Association: Titan who held up the heavens

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5. Cosmo

Meaning: Order, beauty
Origin: Greek
Association: The cosmos; cosmic order

6. Sirius

Meaning: Glowing
Origin: Greek
Association: Brightest star in the night sky

7. Nova

Meaning: New
Origin: Latin
Association: A stellar explosion causing sudden brightness

8. Phoenix

Meaning: Dark red
Origin: Greek
Association: Mythical bird reborn in fire; constellation

9. Aries

Meaning: Ram
Origin: Latin
Association: Zodiac sign and constellation

10. Draco

Meaning: Dragon
Origin: Latin
Association: Constellation representing a dragon

11. Elio

Meaning: Sun
Origin: Italian/Greek
Association: Linked to Helios, the Greek sun god

12. Altair

Meaning: Flying eagle
Origin: Arabic
Association: Bright star in the Aquila constellation

13. Celestine

Meaning: Heavenly
Origin: Latin
Association: Celestial nature and divine realms

14. Titan

Meaning: Defender
Origin: Greek
Association: Saturn's largest moon; powerful deities in mythology

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15. Hoku

Meaning: Star
Origin: Hawaiian
Association: Polynesian navigation and stargazing

16. Caelum

Meaning: Heaven, sky
Origin: Latin
Association: A faint constellation in the southern sky

17. Oberon

Meaning: Noble bear
Origin: Germanic
Association: Uranus' moon; King of the Fairies in Shakespeare

18. Sol

Meaning: Sun
Origin: Latin
Association: The sun in our solar system

19. Comet

Meaning: Long-haired star
Origin: Latin
Association: Icy celestial body with a glowing tail

20. Zenith

Meaning: Highest point
Origin: Arabic
Association: Point in the sky directly above an observer

21. Aster

Meaning: Star
Origin: Greek
Association: Celestial-inspired name and star-shaped flower

22. Jove

Meaning: Father of the sky
Origin: Latin
Association: Roman king of gods; another name for Jupiter

23. Rigel

Meaning: Foot
Origin: Arabic
Association: Bright star in the Orion constellation

24. Castor

Meaning: To shine
Origin: Greek
Association: One of the Gemini twins; a bright star

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25. Pollux

Meaning: Very sweet
Origin: Greek
Association: The other Gemini twin; bright star

26. Aries

Meaning: Ram
Origin: Latin
Association: Zodiac sign and constellation

27. Zephyr

Meaning: West wind
Origin: Greek
Association: Gentle breeze linked to the heavens

28. Halley

Meaning: Hall or manor
Origin: English
Association: Halley's Comet, visible from Earth every 76 years

29. Perseus

Meaning: Avenger
Origin: Greek
Association: Constellation; mythical hero who slew Medusa

30. Pegasus

Meaning: Strong
Origin: Greek
Association: Mythical winged horse; constellation

31. Mars

Meaning: God of war
Origin: Latin
Association: The red planet

32. Jupiter

Meaning: Father Zeus
Origin: Latin
Association: Largest planet in the solar system

33. Neptune

Meaning: God of the sea
Origin: Latin
Association: Distant blue planet

34. Pluto

Meaning: Wealth
Origin: Latin
Association: Dwarf planet and Roman god of the underworld

35. Mercury

Meaning: Messenger god
Origin: Latin
Association: Closest planet to the sun

36. Saturn

Meaning: God of agriculture
Origin: Latin
Association: Ringed planet in our solar system

37. Astor

Meaning: Hawk; star
Origin: Occitan
Association: Sounds like "aster," the Greek word for star

38. Phoenix

Meaning: Dark red
Origin: Greek
Association: Constellation and mythical firebird

39. Galileo

Meaning: From Galilee
Origin: Italian
Association: Renowned astronomer who studied the stars

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40. Janus

Meaning: Archway
Origin: Latin
Association: Roman god of time and transitions; celestial beginnings

41. Oberon

Meaning: Noble bear
Origin: Germanic
Association: Uranus' moon

42. Arcturus

Meaning: Guardian of the bear
Origin: Greek
Association: Fourth brightest star in the night sky

43. Sky

Meaning: Atmosphere above
Origin: Old Norse
Association: Simple celestial name symbolizing the heavens

44. Vesper

Meaning: Evening star
Origin: Latin
Association: Venus as seen at dusk

45. Lucian

Meaning: Light
Origin: Latin
Association: Celestial illumination and brightness

46. Helios

Meaning: Sun
Origin: Greek
Association: Greek sun god who drove the solar chariot

47. Astro

Meaning: Star
Origin: Greek
Association: Astronomy and space exploration

48. Indus

Meaning: River
Origin: Latin
Association: Southern hemisphere constellation

49. Phoenix

Meaning: Crimson
Origin: Greek
Association: Celestial firebird and star group

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50. Celesto

Meaning: Heavenly
Origin: Latin
Association: Variation of "celestial"

Whether you're drawn to rare baby boy names or prefer something more traditional, celestial names offer a wonderful balance of uniqueness and meaning. These names carry the same timeless appeal as biblical baby names while connecting your child to the wonder of the cosmos.

51. Neven

Meaning: Little saint
Origin: Slavic
Association: Sounds like "heaven," evoking celestial purity

52. Rayan

Meaning: Luxuriant, heaven's gate
Origin: Arabic
Association: One of the gates of paradise in Islamic tradition

53. Storm

Meaning: Tempest
Origin: English
Association: Celestial storms seen on planets like Jupiter and Neptune

54. Neptune

Meaning: God of the sea
Origin: Latin
Association: Eighth planet in the solar system

55. Vega

Meaning: Falling eagle
Origin: Arabic
Association: Brightest star in the Lyra constellation

56. Astro

Meaning: Star
Origin: Greek
Association: Astronauts and astronomy

57. Taurus

Meaning: Bull
Origin: Latin
Association: Zodiac sign and constellation

58. Aquarius

Meaning: Water bearer
Origin: Latin
Association: Zodiac sign and constellation

59. Leoan

Meaning: Brave like a lion
Origin: Modern
Association: Inspired by Leo constellation and zodiac sign

60. Cosmos

Meaning: Universe
Origin: Greek
Association: The entirety of space and time

61. Eclipse

Meaning: Obscuring of light
Origin: Greek
Association: Celestial event when one body blocks another

62. Halo

Meaning: Circle of light
Origin: Greek
Association: Light rings seen around the sun or moon

63. Meteor

Meaning: Heavenly body
Origin: Greek
Association: Shooting stars and meteor showers

64. Skylar

Meaning: Scholar
Origin: Dutch
Association: Evokes sky and celestial imagery

65. Moon

Meaning: Natural satellite
Origin: Old English
Association: Earth's moon and lunar symbolism

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66. Eliran

Meaning: My God is song
Origin: Hebrew
Association: Sounds like "Elio" and "light," with celestial undertones

67. Lior

Meaning: I have light
Origin: Hebrew
Association: Star-like light and brightness

68. Ray

Meaning: Beam of light
Origin: English
Association: Solar rays and starlight

69. Zevran

Meaning: Wild, celestial warrior
Origin: Fictional/Modern
Association: Evokes starlit fantasy and interstellar flair

70. Ariel

Meaning: Lion of God
Origin: Hebrew
Association: One of Uranus's moons

71. Gemini

Meaning: Twins
Origin: Latin
Association: Zodiac sign and constellation

72. Solaris

Meaning: Of the sun
Origin: Latin
Association: Solar system and sunshine

73. Adhara

Meaning: Virgins
Origin: Arabic
Association: A bright star in the Canis Major constellation

74. Lynx

Meaning: Wild cat
Origin: Greek
Association: Northern sky constellation

If you're considering names from different cultural backgrounds, you might also enjoy exploring Arabic baby boy names or Hispanic baby names, which often have beautiful meanings related to light and celestial phenomena.

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75. Thalor

Meaning: Stargazer
Origin: Modern
Association: Invented name evoking cosmic wonder

76. Valtor

Meaning: Celestial power
Origin: Fictional/Modern
Association: Sounds intergalactic and magical

77. Kuiper

Meaning: Barrel maker
Origin: Dutch
Association: Kuiper Belt beyond Neptune

78. Perseon

Meaning: Son of Perseus
Origin: Invented
Association: Inspired by Perseus constellation

79. Solaris

Meaning: Of the sun
Origin: Latin
Association: Radiant and warm solar imagery

80. Zenitho

Meaning: Highest point
Origin: Modern
Association: Variation of Zenith, celestial high point

81. Aziel

Meaning: God is my strength
Origin: Hebrew
Association: Angelic and starry connotations

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82. Eosian

Meaning: Of the dawn
Origin: Modern
Association: Derived from Eos, Greek goddess of the dawn

83. Caelus

Meaning: Sky
Origin: Latin
Association: Roman god of the heavens

84. Sabik

Meaning: Preceding
Origin: Arabic
Association: A bright star in the Ophiuchus constellation

85. Lynar

Meaning: Moonlight
Origin: Invented
Association: Sounds like "lunar," evoking moon imagery

86. Astran

Meaning: From the stars
Origin: Modern
Association: Stellar and galactic feel

87. Orionis

Meaning: Of Orion
Origin: Latin
Association: Belonging to the Orion constellation

88. Miran

Meaning: Peace
Origin: Slavic
Association: Sounds celestial and futuristic

89. Aurelian

Meaning: Golden
Origin: Latin
Association: Radiant like sunlight or stardust

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90. Elros

Meaning: Star foam
Origin: Fictional (Tolkien)
Association: Star-inspired name from fantasy

91. Castiel

Meaning: Shield of God
Origin: Hebrew
Association: Angelic and starlike character from pop culture

92. Navon

Meaning: Wise
Origin: Hebrew
Association: Sounds celestial and thoughtful

93. Aether

Meaning: Upper air
Origin: Greek
Association: Mythological personification of the sky

94. Anshar

Meaning: Whole sky
Origin: Akkadian
Association: Mesopotamian god representing the sky

For families interested in shorter options, three-letter baby names and four-letter baby names can be just as meaningful and memorable. Many celestial names like Leo, Sol, and Mars fall into these categories.

95. Tarek

Meaning: Morning star
Origin: Arabic
Association: Celestial herald of the day

96. Lucero

Meaning: Bright star
Origin: Spanish
Association: Venus or morning star

97. Shamir

Meaning: Flint; sharp
Origin: Hebrew
Association: Star-like brilliance and edge

98. Nevaan

Meaning: Holy
Origin: Indian (Sanskrit)
Association: Sounds like "heaven," spiritual and celestial

99. Danior

Meaning: Cosmic light
Origin: Invented
Association: Radiant and space-inspired

Conclusions

Celestial names connect your baby boy to the wonder of the cosmos, from classical Apollo to stellar Sirius. Each carries stories rooted in ancient traditions and modern astronomy, representing light, strength, and boundless possibilities.

As you explore naming options, you might also want to consider celestial baby girl names if you're having a daughter, or look into unisex baby names and gender-neutral baby names for versatile options. Many celestial names work beautifully for any gender.

Whether you choose a name that reflects current baby name trends 2025 or something more timeless from popular baby names, you're giving your son a connection to the stars that have inspired humanity throughout time. May your little star shine as brightly as the celestial body that inspired his name.

For more naming inspiration, explore our collections of nature-inspired baby boy names, flower baby names, and discover what's trending in baby names 2026.