999+ Baby boy names that start with O: Rare, unique, adorable

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Discover a treasure trove of over 999 rare, unique, and adorable baby boy names that start with O. From traditional classics to modern marvels, this comprehensive list is sure to inspire parents seeking the perfect name for their little one with Adorableinfants.com!

Popular, trendy baby boy names that start with O

Popular, trendy baby boy names that start with O
Popular, trendy baby boy names that start with O

Discover the latest and most popular baby boy names that begin with the letter “O.” From classic choices to trendy picks, explore a diverse range of options for your little one. Find inspiration and meaning in this comprehensive list of O-starting names for boys.

  1. Oliver: Derived from the Old French name Olivier, meaning “olive tree.”
  2. Owen: Of Welsh origin, meaning “young warrior” or “well-born.”
  3. Oakley: Derived from the English word for an oak clearing or oak meadow.
  4. Oscar: Derived from the Old English elements “os” meaning “god” and “gar” meaning “spear,” resulting in the meaning “god spear” or “divine spear.”
  5. Onyx: Named after the semi-precious black gemstone, representing strength and protection.
  6. Otto: Derived from the Germanic element “aud” meaning “wealth” or “prosperity.”
  7. Orion: Derived from Greek mythology, it refers to a prominent constellation or the son of Poseidon.
  8. Odin: Derived from Norse mythology, it refers to the chief god and ruler of Asgard.
  9. Oaklee/Oakleigh: Derived from the English word “oak” and the suffix “-lee” or “-leigh” meaning “meadow,” resulting in the meaning “meadow of oak trees.”
  10. Opal: Derived from the English word for the precious gemstone, known for its iridescent play of colors.
  11. Omari: Derived from Swahili, meaning “god the highest” or “god is my teacher.”
  12. Ozzy: A diminutive form of the name Oswald or Osbourne, meaning “divine power” or “bear of God.”
  13. Otis: Derived from the Germanic element “od” meaning “wealth” or “fortune.”
  14. Ollie: A diminutive form of the name Oliver, meaning “olive tree.”
  15. Orlando: Derived from the Germanic element “orla” meaning “fame” or “renown.”
  16. Osiris: Derived from Egyptian mythology, it refers to the god of the afterlife and rebirth.
  17. Osman: Derived from Arabic, meaning “servant of God.”
  18. Ozzie: A diminutive form of the names Oswald or Oscar, meaning “divine power” or “god spear.”
  19. Octavio: Derived from Latin, meaning “eighth” or “born in the eighth month.”
  20. Oskar: Derived from Old High German, meaning “spear of God.”
  21. Orson: Derived from Old English, meaning “bear cub.”
  22. Osvaldo: Derived from Germanic elements meaning “divine power” or “god rule.”
  23. Olin: Derived from Old English, meaning “little olive tree.”
  24. Orin: Derived from Irish or Gaelic, meaning “white” or “fair-haired.”
  25. O’Shea: An Irish surname derived from the Gaelic words “os” meaning “deer” and “seaghda” meaning “fine.”
  26. Octavius: Derived from Latin, meaning “eighth” or “born in the eighth month.”
  27. Othmar: Derived from Old High German, meaning “famous inheritance” or “possessed by an inheritance.”
  28. Omer: Derived from Hebrew, meaning “sheaf of grain” or “speaker.”
  29. Olindo: Derived from Italian, meaning “well-born” or “of noble descent.”
  30. Osmar: Derived from Old High German, meaning “divine treasure” or “god’s fame.”
  31. Olivier: Derived from Old French, meaning “olive tree.”
  32. Onslow: Derived from Old English, meaning “hill of the god.”
  33. Octavian: Derived from Latin, meaning “eighth” or “born in the eighth month.”
  34. Orrin: Derived from Irish or Gaelic, meaning “white” or “fair-haired.”
  35. Olof: Derived from Old Norse, meaning “ancestor’s descendant” or “forefather’s heir.”
  36. Orwin: Derived from Old English, meaning “friend of the boar.”
  37. Oswell: Derived from Old English, meaning “divine power” or “god rule.”
  38. Osburn: Derived from Old English, meaning “divine bear.”
  39. Oak: Referring to the English word for the type of tree.
  40. Oswald: Derived from Old English, meaning “divine power” or “god rule.”
  41. Ota: Derived from various origins, including Czech, Polish, and Japanese, with different meanings such as “wealthy,” “wealthy guardian,” or “big” depending on the origin.
  42. Ocia: A variant spelling of the name Ossie, which is a diminutive form of names like Oswald or Oscar.
  43. Orphie: A diminutive form of the name Orville, meaning “gold town.”
  44. Ordell: Derived from Old English, meaning “spear point.”
  45. Otello: Derived from Italian, derived from the Germanic element “od” meaning “wealth” or “fortune.”
  46. Osgood: Derived from Old English, meaning “divine goodness.”
  47. Olivio: Derived from Latin, meaning “olive tree.”
  48. Orrel: Derived from Old French, meaning “gold” or “golden.”
  49. Othman: Derived from Arabic, meaning “baby snake” or “snake-like.”
  50. Olavi: Derived from Finnish, meaning “ancestor’s descendant” or “forefather’s heir.”
  51. Oswaldo: Derived from Old English, meaning “divine power” or “god rule.”
  52. Orvell: Derived from Old French, meaning “gold” or “golden.”

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Aesthetic, lovely baby boy names that start with O

Aesthetic, lovely baby boy names that start with O
Aesthetic, lovely baby boy names that start with O

Discover a collection of aesthetic and lovely baby boy names that start with O. From classic favorites to unique and meaningful choices, explore a diverse range of O names for your little one. Find the perfect name that captures your style and resonates with your family.

  1. Oluwatoyin: Of Yoruba origin, meaning “God is worthy to be praised.”
  2. Orest: Derived from Greek mythology, it refers to the son of Agamemnon and Clytemnestra.
  3. Ollin: Derived from Nahuatl, meaning “movement” or “motion.”
  4. Omeed: Derived from Persian, meaning “hope” or “wish.”
  5. Odey: Derived from Nigerian, meaning “born on market day.”
  6. Omeir: Derived from Arabic, meaning “powerful” or “flourishing.”
  7. Olayemi: Of Yoruba origin, meaning “I bring joy/happiness.”
  8. Oluwaseyi: Of Yoruba origin, meaning “God made this.”
  9. Okan: Derived from Turkish, meaning “soul” or “heart.”
  10. O’Dell: Derived from Old English, meaning “from the valley.”
  11. Olamide: Of Yoruba origin, meaning “my wealth has come.”
  12. Omran: Derived from Arabic, meaning “prosperity” or “development.”
  13. Ousmane: Derived from Arabic, meaning “servant of God.”
  14. O’Donovan: Derived from Irish, meaning “descendant of Donndubhán” or “dark brown.”
  15. Orrie: A diminutive form of the name Orrin or Orville, meaning “white” or “fair-haired.”
  16. Oudai: Derived from Arabic, meaning “little lion.”
  17. Obrien: Derived from Irish, meaning “descendant of Brian” or “high, noble.”
  18. Otieno: Of Luo origin, meaning “born at night.”
  19. Orlie: Derived from Old French, meaning “gold” or “golden.”
  20. Osie: Derived from Ashanti, meaning “noble” or “nobleman.”
  21. Oras: Derived from Finnish, meaning “eagle.”
  22. Oktay: Derived from Turkish, meaning “brave moon.”
  23. Ovidio: Derived from Latin, meaning “sheepherder” or “sheep.”
  24. Oracio: Derived from Latin, meaning “prayer” or “supplication.”
  25. Othon: Derived from Greek, meaning “rich” or “prosperous.”
  26. Oumar: Derived from Arabic, meaning “long-lived” or “life.”
  27. Ojore: Derived from Yoruba, meaning “to awaken.”
  28. Ove: Derived from Old Norse, meaning “luck” or “fortune.”
  29. Ohannes: Derived from Armenian, meaning “God is gracious.”
  30. Osmany: Derived from Arabic, meaning “divine protection.”
  31. Obaid: Derived from Arabic, meaning “servant” or “worshiper.”
  32. Osbaldo: Derived from Old English, meaning “god” or “divine power.”
  33. Otman: Derived from Arabic, meaning “baby snake” or “snake-like.”
  34. Orvel: Derived from Old French, meaning “gold” or “golden.”
  35. Oyvind: Derived from Old Norse, meaning “island” or “friend.”
  36. Owais: Derived from Arabic, meaning “little wolf.”
  37. Orestis: Derived from Greek, meaning “of the mountains” or “mountain dweller.”
  38. Olasunkanmi: Of Yoruba origin, meaning “God has added to my joy.”
  39. Oshae: A variant spelling of the name O’Shea, meaning “deer” or “fine.”
  40. Oshay: Derived from Hebrew, meaning “salvation” or “help.”
  41. Ousman: Variant spelling of Ousmane, meaning “servant of God.”
  42. Orhan: Derived from Turkish, meaning “ruler” or “sovereign.”
  43. Osamah: Derived from Arabic, meaning “lion-like” or “brave.”
  44. Octavien: Derived from Latin, meaning “eighth” or “born in the eighth month.”
  45. Octavianus: Derived from Latin, meaning “eighth” or “born in the eighth month.”
  46. Omani: Derived from Swahili, meaning “peaceful” or “trustworthy.”
  47. O’Connor: Derived from Irish, meaning “descendant of Conchobhar” or “lover of hounds.”
  48. Oluseyi: Of Yoruba origin, meaning “God made this.”
  49. Oladele: Of Yoruba origin, meaning “wealth comes home.”
  50. Orvill: Derived from Old French, meaning “gold” or “golden.”
  51. O’Neill: Derived from Irish, meaning “descendant of Niall” or “champion.”
  52. Orison: Derived from Old French, meaning “prayer” or “plea.”
  53. Osamu: Derived from Japanese, meaning “discipline” or “study.”

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Cool and cute baby boy names that start with O

Cool and cute baby boy names that start with O
Cool and cute baby boy names that start with O

Discover a charming collection of cool and cute baby boy names that start with O. From timeless classics to unique gems, explore a range of options to find the perfect name for your little one. Delve into this list and let your imagination soar as you embark on the journey of naming your precious baby boy.

  1. Olavo: Derived from Portuguese, meaning “wealthy guardian” or “wealthy elf.”
  2. Omera: A variant spelling of the name Omar, derived from Arabic, meaning “eloquent” or “speaker.”
  3. Okkoto: A fictional name with no specific meaning, possibly used in creative works or made-up contexts.
  4. Oleh: Derived from Ukrainian, meaning “defender” or “protector.”
  5. Ors: Derived from Hungarian, meaning “bear.”
  6. Oko: Derived from Nigerian, meaning “eye” or “vision.”
  7. Orkins: A variant spelling of the name Orkin, which has no specific meaning.
  8. Oleksander: Derived from Ukrainian, meaning “defender of man” or “protector of mankind.”
  9. Orwell: Derived from Old English, meaning “well by the river” or “from the riverside meadow.”
  10. Oceanus: Derived from Greek mythology, it refers to the Titan god of the ocean.
  11. Onox: A fictional name with no specific meaning, possibly used in creative works or made-up contexts.
  12. Oshus: A fictional name with no specific meaning, possibly used in creative works or made-up contexts.
  13. Odahviing: A fictional name with no specific meaning, possibly used in creative works or made-up contexts.
  14. Olioli: Derived from Hawaiian, meaning “joy” or “happiness.”
  15. Olaga: Derived from Russian, meaning “holy” or “blessed.”
  16. Onacona: Derived from Native American Choctaw, meaning “white owl.”
  17. Oukonunaka: Derived from Native American Choctaw, meaning “yellow jacket.”
  18. Odean: Derived from Old English, meaning “valley” or “wadi.”
  19. Ovidiu: Derived from Latin, meaning “sheepherder” or “sheep.”
  20. Ortega: Derived from Spanish, meaning “gardener” or “orchard.”
  21. O’Neal: Derived from Irish, meaning “descendant of Niall” or “champion.”
  22. Orian: Derived from Hebrew, meaning “light” or “dawn.”
  23. Om: Derived from Sanskrit, meaning “universal sound” or “sacred syllable.”
  24. Oziel: Derived from Hebrew, meaning “God is my strength.”
  25. O’Ryan: A variant spelling of the name Orion, derived from Greek mythology, referring to a prominent constellation or the son of Poseidon.
  26. Otoniel: Derived from Hebrew, meaning “God is my strength.”
  27. Obinna: Derived from Igbo, meaning “father’s heart” or “father’s blessing.”
  28. Orris: Derived from English, referring to the fragrant root of the iris flower.
  29. Olan: Derived from Irish, meaning “champion” or “leader.”
  30. Orlen: Derived from English, meaning “from the alder tree river.”
  31. Ocie: Derived from English, meaning “sharp” or “quick.”
  32. Omkar: Derived from Sanskrit, meaning “divine sound” or “sacred syllable.”
  33. Okello: Derived from Luo, meaning “born after twins” or “born during rainfall.”
  34. Orlo: Derived from Old English, meaning “renowned land” or “famous heritage.”
  35. O’Brian: Derived from Irish, meaning “descendant of Brian” or “high, noble.”
  36. Orban: Derived from Hungarian, meaning “city-dweller” or “citizen.”
  37. Oguz: Derived from Turkish, meaning “tribe” or “clan.”
  38. Ode: Derived from Germanic, meaning “wealth” or “fortune.”
  39. Olney: Derived from Old English, meaning “island” or “river island.”
  40. Ovadia: Derived from Hebrew, meaning “servant of God.”
  41. Obiora: Derived from Igbo, meaning “the heart is good” or “good-hearted.”
  42. O’Conner: Derived from Irish, meaning “descendant of Conchobhar” or “lover of hounds.”
  43. Oris: Derived from Latin, meaning “mouth” or “opening.”
  44. Olander: Derived from Swedish, meaning “island” or “from the land of Ola.”
  45. Olanrewaju: Of Yoruba origin, meaning “my wealth is moving forward.”
  46. O’Bryan: Derived from Irish, meaning “descendant of Brian” or “high, noble.”
  47. Orlanda: Derived from Italian, meaning “famous throughout the land.”
  48. Orlandus: Derived from Latin, meaning “from the famous land.”
  49. Olawale: Of Yoruba origin, meaning “wealth has come home.”
  50. O’Grady: Derived from Irish, meaning “descendant of Grádaigh” or “noble.”
  51. O’Bryant: Derived from Irish, meaning “descendant of Brian” or “high, noble.”
  52. Olem: Derived from Hebrew, meaning “everlasting” or “eternal.”
  53. O’Donnell: Derived from Irish, meaning “descendant of Domhnall” or “world ruler.”

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International baby boy names that start with O

International baby boy names that start with O
International baby boy names that start with O

Discover a diverse collection of international baby boy names that start with O. From Oliver to Omar, explore this curated list of unique and meaningful names for your little one. Find inspiration and make a memorable choice for your baby boy’s name.

  1. Orfeo: Derived from Greek mythology, referring to the legendary musician and poet Orpheus.
  2. Orford: Derived from English, meaning “from the ford near the shore” or “ford of the wild boar.”
  3. Ormondo: Variant spelling of Ormond, derived from Irish Gaelic, meaning “descendant of Ruadhán” or “red-haired.”
  4. Ornet: A variant spelling of the name Arnett, derived from English, meaning “eagle ruler.”
  5. Oro: Derived from Italian, meaning “gold.”
  6. Orric: Derived from Old Norse, meaning “bear ruler” or “ruler with a spear.”
  7. Orrick: Derived from Old English, meaning “oak ruler” or “ruler with a spear.”
  8. Orsin: Derived from Latin, meaning “bear-like” or “like a bear.”
  9. Orsini: Derived from Italian, originally a surname referring to the noble Orsini family.
  10. Orsino: Derived from Italian, meaning “bear-like” or “like a bear.”
  11. Orsis: A variant spelling of the name Orsisius, of Greek origin, meaning “bear.”
  12. Orsonio: A variant spelling of Orsino, derived from Italian, meaning “bear-like” or “like a bear.”
  13. Ortensio: Derived from Italian, meaning “gardener” or “orchard.”
  14. Orv: A diminutive form of the name Orville, meaning “golden city” or “gold town.”
  15. Orvelle: A variant spelling of Orville, meaning “golden city” or “gold town.”
  16. Orwynn: Derived from Old English, meaning “friend of the boar” or “friend of the bear.”
  17. Osage: Derived from Native American Osage, referring to the Osage tribe.
  18. Osbourn: Derived from Old English, meaning “divine bear” or “bear of God.”
  19. Osburne: Derived from Old English, meaning “divine bear” or “bear of God.”
  20. Osier: Derived from English, referring to a type of willow tree.
  21. Osip: Derived from Russian, meaning “God will add” or “God increases.”
  22. Osment: Derived from English, meaning “divine protection” or “protector of God.”
  23. Osmonde: Derived from Old English, meaning “divine protection” or “protector of God.”
  24. Osmont: Derived from Old English, meaning “divine protection” or “protector of God.”
  25. Osmunde: Derived from Old English, meaning “divine protection” or “protector of God.”
  26. Osred: Derived from Old English, meaning “divine counsel” or “counsel of God.”
  27. Osrick: Derived from Old English, meaning “divine ruler” or “ruler of God.”
  28. Ostynn: A variant spelling of Austin, derived from Latin, meaning “great” or “magnificent.”
  29. Osvald: Derived from Old English, meaning “divine power” or “power of God.”
  30. Ottfried: Derived from Germanic, meaning “wealth” or “prosperity.”
  31. Oswinn: Derived from Old English, meaning “divine friend” or “friend of God.”
  32. Oswynn: Derived from Old English, meaning “divine friend” or “friend of God.”
  33. Oszkar: Derived from Hungarian, meaning “spear of God” or “God’s weapon.”
  34. Ot: Derived from Germanic, meaning “wealth” or “fortune.”
  35. Otakar: Derived from Czech, meaning “careful” or “attentive.”
  36. Otess: A variant spelling of Otis, derived from Germanic, meaning “wealth” or “fortune.”
  37. Otildo: Derived from Old German, meaning “wealth” or “prosperity.”
  38. Otmar: Derived from Germanic, meaning “famous” or “renowned.”
  39. Otokar: Derived from Czech, meaning “careful” or “attentive.”
  40. Ottaviano: Derived from Italian, meaning “eighth” or “born in the eighth month.”
  41. Ottfrid: Derived from Germanic, meaning “wealth” or “prosperity.”
  42. Ottild: Derived from Old English, meaning “wealth” or “fortune.”
  43. Ottildo: Derived from Old German, meaning “wealth” or “prosperity.”
  44. Ottokar: Derived from Czech, meaning “careful” or “attentive.”
  45. Ottone: Derived from Italian, meaning “wealth” or “fortune.”
  46. Ottorino: Derived from Italian, meaning “wealth” or “prosperity.”
  47. Otys: A variant spelling of Otis, derived from Germanic, meaning “wealth” or “fortune.”
  48. Ounslow: A variant spelling of Onslow, derived from Old English, meaning “hill of the passion flower” or “sloping hill.”
  49. Ouray: Derived from Native American Ute, meaning “arrow” or “thief.”
  50. Ousama: Variant spelling of Osama, derived from Arabic, meaning “lion” or “big cat.”
  51. Ovadiach: Variant spelling of Ovadia, derived from Hebrew, meaning “servant of God.”
  52. Ovadiah: Variant spelling of Ovadia, derived from Hebrew, meaning “servant of God.”
  53. Owney: Derived from Irish, meaning “descendant of Eóghan” or “young warrior.”

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Adorable baby boy names that start with O

Adorable baby boy names that start with O
Adorable baby boy names that start with O

Discover a collection of charming baby boy names that start with O. From timeless classics to unique and trendy choices, explore our handpicked selection of adorable O-names for your little one. Find the perfect name that resonates with your family’s style and captures your heart.

  1. Odd: Derived from Old Norse, meaning “point of a weapon” or “sharp.”
  2. Odilio: Derived from Germanic, meaning “wealth” or “fortune.”
  3. Odilo: Derived from Germanic, meaning “wealth” or “fortune.”
  4. Odo: Derived from Germanic, meaning “wealth” or “fortune.”
  5. Odolf: Derived from Germanic, meaning “wealth” or “fortune.”
  6. Odolff: Derived from Germanic, meaning “wealth” or “fortune.”
  7. Odovacar: Variant spelling of Odoacer, derived from Germanic, meaning “wealth” or “fortune.”
  8. Odran: Derived from Irish, meaning “pale” or “sallow.”
  9. Odulf: Derived from Old High German, meaning “fortunate wolf.”
  10. Odysse: Derived from Greek mythology, referring to the legendary hero Odysseus.
  11. Oeberon: Variant spelling of Oberon, derived from Germanic, meaning “noble bear” or “bear-like.”
  12. Ofeer: Derived from Hebrew, meaning “young deer” or “fawn.”
  13. Ofer: Derived from Hebrew, meaning “young deer” or “fawn.”
  14. Ogaleesha: Derived from Native American Dakota Sioux, meaning “red shirt.”
  15. Ogbonna: Derived from Igbo, meaning “father’s wealth.”
  16. Ogdan: Variant spelling of Ogden, derived from Old English, meaning “oak valley.”
  17. Ogdon: Variant spelling of Ogden, derived from Old English, meaning “oak valley.”
  18. Ogun: Derived from Yoruba, referring to the god of iron and war in Yoruba mythology.
  19. Ogunkeye: Derived from Yoruba, meaning “Ogun’s honor” or “Ogun’s praise.”
  20. Ogunsanwo: Derived from Yoruba, meaning “Ogun deserves respect.”
  21. Ogunsheye: Derived from Yoruba, meaning “Ogun owns the title.”
  22. Ohanzee: Derived from Native American Dakota Sioux, meaning “shadow.”
  23. Ohed: Derived from Hebrew, meaning “thanks” or “praise.”
  24. Ohndrae: Variant spelling of Andre, derived from Greek, meaning “man” or “warrior.”
  25. Ohndre: Variant spelling of Andre, derived from Greek, meaning “man” or “warrior.”
  26. Ohngel: Variant spelling of Angel, derived from Greek, meaning “messenger” or “angel.”
  27. Ohnjel: Variant spelling of Angel, derived from Greek, meaning “messenger” or “angel.”
  28. Ohnrey: Variant spelling of Henry, derived from Germanic, meaning “ruler of the household” or “estate ruler.”
  29. Okafo: Derived from Igbo, meaning “wealth.”
  30. Oktawjan: Variant spelling of Octavian, derived from Latin, meaning “eighth.”
  31. Olaff: Variant spelling of Olaf, derived from Old Norse, meaning “ancestor’s descendant” or “heir of the ancestors.”
  32. Olakeakua: Derived from Hawaiian, meaning “from the heavens” or “from the sacred land.”
  33. Olaniyonu: Derived from Yoruba, meaning “one who has wealth or riches to enjoy.”
  34. Olave: Derived from Old Norse, meaning “ancestor’s descendant” or “heir of the ancestors.”
  35. Oleksei: Variant spelling of Alexei, derived from Greek, meaning “defender” or “protector.”
  36. Oleksey: Variant spelling of Alexei, derived from Greek, meaning “defender” or “protector.”
  37. Oleksi: Variant spelling of Alexei, derived from Greek, meaning “defender” or “protector.”
  38. Olexei: Variant spelling of Alexei, derived from Greek, meaning “defender” or “protector.”
  39. Olexey: Variant spelling of Alexei, derived from Greek, meaning “defender” or “protector.”
  40. Olexi: Variant spelling of Alexei, derived from Greek, meaning “defender” or “protector.”
  41. Olexiy: Variant spelling of Alexei, derived from Greek, meaning “defender” or “protector.”
  42. Olimpio: Derived from Italian, meaning “from Mount Olympus” or “heavenly.”
  43. Olimpo: Derived from Italian, meaning “from Mount Olympus” or “heavenly.”
  44. Olivero: Derived from Italian, meaning “olive tree” or “olive branch.”
  45. Oliviero: Derived from Italian, meaning “olive tree” or “olive branch.”
  46. Olivor: Variant spelling of Oliver, derived from Latin, meaning “olive tree” or “olive branch.”
  47. Oliwjer: Polish variant of Oliver, derived from Latin, meaning “olive tree” or “olive branch.”
  48. Olley: Variant spelling of Olly, a diminutive of Oliver, meaning “olive tree” or “olive branch.”
  49. Ollivor: Variant spelling of Oliver, derived from Latin, meaning “olive tree” or “olive branch.”
  50. Olorun: Derived from Yoruba, meaning “God” or “the supreme deity.”
  51. Olov: Derived from Swedish, meaning “ancestor’s descendant” or “heir of the ancestors.”
  52. Owodunni: Derived from Yoruba, meaning “birth is sweet” or “the joy of having a child.”
  53. Oxxford: Variant spelling of Oxford, derived from Old English, meaning “ford where oxen cross.”

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Meaningful baby boy names that start with O

Meaningful baby boy names that start with O
Meaningful baby boy names that start with O

Discover a collection of meaningful baby boy names that start with the letter O. From traditional to unique choices, explore our list of O names for boys and find the perfect name for your little one. Whether you seek timeless classics or modern gems, we’ve got you covered.

  1. Ottis: Variant spelling of Otis, derived from Germanic, meaning “wealth” or “fortune.”
  2. Oleander: Derived from Greek, referring to the flowering plant oleander.
  3. Ovie: A variant of the name Ovi, which could be a diminutive of Oliver or a form of the Igbo name Oviekwu, meaning “king of wealth.”
  4. Orville: Derived from Old French, meaning “golden city” or “gold town.”
  5. Oakly: Variant spelling of Oakley, derived from Old English, meaning “oak meadow.”
  6. Oxford: Derived from Old English, meaning “oxen ford” or “ford where oxen cross.”
  7. Oleg: Derived from Old Norse, meaning “holy” or “blessed.”
  8. Ola: Derived from Old Norse, meaning “ancestor’s descendant” or “heir of the ancestors.”
  9. Owens: Derived from Welsh, meaning “young warrior” or “well-born.”
  10. Ossian: Derived from Irish and Scottish Gaelic, possibly meaning “deer” or “little fawn.”
  11. Oli: A diminutive of Oliver, derived from Latin, meaning “olive tree” or “olive branch.”
  12. Odis: Variant spelling of Otis, derived from Germanic, meaning “wealth” or “fortune.”
  13. Ole: Derived from Old Norse, meaning “ancestral heritage” or “ancestral possession.”
  14. Ohtli: Derived from Nahuatl, meaning “path” or “road.”
  15. Owin: Derived from Old English, meaning “friend” or “companion.”
  16. Osama: Derived from Arabic, meaning “lion” or “big cat.”
  17. Orren: Derived from Irish and Scottish Gaelic, meaning “pale” or “sallow.”
  18. Omero: Derived from Italian, meaning “hero” or “man of great renown.”
  19. Ogden: Derived from Old English, meaning “oak valley.”
  20. Orel: Derived from Hebrew, meaning “light of God” or “God is my light.”
  21. Osten: Derived from Old Norse, meaning “eastern” or “from the east.”
  22. Oneal: Variant spelling of O’Neal, derived from Irish, meaning “descendant of Niall” or “champion.”
  23. Octaviano: Derived from Latin, meaning “eighth” or “born in the eighth month.”
  24. Osei: Derived from Akan, meaning “noble” or “honorable.”
  25. Osbourne: Derived from Old English, meaning “divine bear” or “bear of God.”
  26. Ondre: Variant spelling of Andre, derived from Greek, meaning “man” or “warrior.”
  27. Obediah: Variant spelling of Obadiah, derived from Hebrew, meaning “servant of God.”
  28. Osvin: Derived from Old English, meaning “divine friend” or “friend of God.”
  29. Osher: Derived from Hebrew, meaning “happiness” or “blessing.”
  30. Osborn: Derived from Old English, meaning “divine bear” or “bear of God.”
  31. Osian: Derived from Welsh, meaning “young warrior” or “well-born.”
  32. Olly: A diminutive of Oliver, derived from Latin, meaning “olive tree” or “olive branch.”
  33. Osias: Variant spelling of Osiel, derived from Hebrew, meaning “strength of God” or “divine strength.”
  34. Ovila: Derived from Latin, meaning “sheep” or “lamb.”
  35. Odel: Derived from Old English, meaning “wealthy” or “prosperous.”
  36. Olugbenga: Derived from Yoruba, meaning “God adds to wealth” or “God increases prosperity.”
  37. Oland: Derived from Old Norse, meaning “island” or “from the island.”
  38. Oluwatosin: Derived from Yoruba, meaning “God is worthy to be served” or “God is enough to worship.”
  39. Ocean: Derived from English, referring to the body of saltwater covering the Earth’s surface.
  40. Ory: Derived from French, meaning “golden” or “gold-colored.”
  41. Orly: Derived from Hebrew, meaning “light” or “my light.”
  42. Oskari: Derived from Finnish, meaning “divine spear” or “God’s spear.”
  43. Oba: Derived from Yoruba, meaning “king” or “ruler.”
  44. Orley: Derived from Old English, meaning “meadow near the shore” or “from the hare’s meadow.”
  45. Ozie: Derived from Hebrew, meaning “strength” or “might.”
  46. Oct: Short form of Octavius, derived from Latin, meaning “eighth” or “born in the eighth month.”
  47. Olumiji: Derived from Yoruba, meaning “God gives me life” or “God gives me living.”
  48. Olushegun: Derived from Yoruba, meaning “God is victorious” or “victory of God.”
  49. Olusijibomi: Derived from Yoruba, meaning “God has given me happiness” or “God has made me joyful.”
  50. Olympio: Derived from Greek, referring to Mount Olympus, the home of the gods in Greek mythology.
  51. Olympios: Derived from Greek, referring to Mount Olympus, the home of the gods in Greek mythology.
  52. Olympus: Derived from Greek, referring to Mount Olympus, the home of the gods in Greek mythology.
  53. Omanand: Derived from Sanskrit, meaning “eternal bliss” or “eternal joy.”

> Related post: 999+ Baby boy names that start with I

Classic and old-fashioned baby boy names that start with O

Classic and old-fashioned baby boy names that start with O
Classic and old-fashioned baby boy names that start with O

Discover a charming collection of classic and old-fashioned baby boy names that start with O. From timeless favorites to hidden gems, explore a variety of options for your little one. Find the perfect name that captures tradition and nostalgia, with a touch of uniqueness.

  1. Odell: Derived from Old English, meaning “woad hill” or “from the hill.”
  2. Okechukwu: Derived from Igbo, meaning “God’s share” or “God’s portion.”
  3. Olutosin: Derived from Yoruba, meaning “God is sufficient” or “God is enough.”
  4. Olle: Variant spelling of Olaf, derived from Old Norse, meaning “ancestor’s descendant” or “heir of the ancestors.”
  5. Orlin: Derived from Slavic, meaning “from the homeland” or “from the golden land.”
  6. Oreste: Derived from Greek, meaning “mountain dweller” or “of the mountains.”
  7. Okpara: Derived from Igbo, meaning “firstborn” or “chief.”
  8. Odilon: Derived from Old French, meaning “little wealthy one” or “little wealthy ruler.”
  9. Ondrej: Czech and Slovak form of Andrew, derived from Greek, meaning “man” or “warrior.”
  10. Orval: Derived from Old Norse, meaning “spear of the gods” or “golden town.”
  11. Olatunde: Derived from Yoruba, meaning “wealth has returned” or “wealth has come back.”
  12. Osmond: Derived from Old English, meaning “divine protection” or “God’s protection.”
  13. Olatokunbo: Derived from Yoruba, meaning “wealth from across the seas” or “wealth from overseas.”
  14. Omarr: Variant spelling of Omar, derived from Arabic, meaning “flourishing” or “long-lived.”
  15. Osborne: Derived from Old Norse, meaning “divine bear” or “bear of God.”
  16. Ormond: Derived from Old English, meaning “spear protector” or “guardian of the spear.”
  17. Oral: Derived from Latin, meaning “spoken” or “verbal.”
  18. Orlondo: Variant spelling of Orlando, derived from Italian, meaning “famous throughout the land.”
  19. Oran: Derived from Irish and Scottish Gaelic, meaning “pale” or “sallow.”
  20. Osbert: Derived from Old English, meaning “divine brightness” or “bright God.”
  21. Oved: Derived from Hebrew, meaning “servant” or “worshiper.”
  22. Owynn: Variant spelling of Owen, derived from Welsh, meaning “young warrior” or “well-born.”
  23. Octavus: Variant spelling of Octavius, derived from Latin, meaning “eighth” or “born in the eighth month.”
  24. Ovid: Derived from Roman family name Ovidius, possibly meaning “sheep herder” or “poet.”
  25. Ofir: Derived from Hebrew, possibly meaning “gold” or “golden.”
  26. Ossie: Diminutive of Oswald or Osborn, derived from Old English, meaning “divine power” or “God’s bear.”
  27. Olukayode: Derived from Yoruba, meaning “God brings joy” or “God has brought happiness.”
  28. Onofre: Derived from Greek, meaning “brave” or “strong.”
  29. Obasi: Derived from Igbo, meaning “chief” or “leader.”
  30. Orvil: Variant spelling of Orville, derived from Old French, meaning “golden city” or “gold town.”
  31. Otho: Derived from Germanic, meaning “wealth” or “fortune.”
  32. Omid: Derived from Persian, meaning “hope” or “wish.”
  33. Olushola: Derived from Yoruba, meaning “God makes wealth” or “God creates wealth.”
  34. Onorio: Italian form of Honorius, derived from Latin, meaning “honor” or “honorific.”
  35. Orran: Variant spelling of Oran, derived from Irish and Scottish Gaelic, meaning “pale” or “sallow.”
  36. Olexa: Variant of Oleksander, derived from Greek, meaning “defender of man” or “defender of the people.”
  37. Overton: Derived from Old English, meaning “upper settlement” or “town on the hill.”
  38. Oluyemi: Derived from Yoruba, meaning “God pampers me” or “God spoils me.”
  39. Orenthal: Variant spelling of Othello, derived from Greek, meaning “he who has the sound of God” or “the sound of God.”
  40. Osmin: Variant of Osman, derived from Arabic, meaning “servant of God” or “God’s servant.”
  41. Obafemi: Derived from Yoruba, meaning “the king loves me” or “the king cherishes me.”
  42. Olusegun: Derived from Yoruba, meaning “God is victorious” or “victory of God.”
  43. Odon: Derived from Old English, meaning “wealth” or “prosperity.”
  44. Osker: Variant spelling of Oscar, derived from Old English, meaning “deer lover” or “lover of deer.”
  45. Ofra: Derived from Hebrew, meaning “fawn” or “young deer.”
  46. Onnjel: Variant spelling of Onjel, derived from Greek, meaning “messenger” or “angel.”
  47. Ophra: Variant spelling of Oprah, derived from Hebrew, meaning “fawn” or “young deer.”
  48. Ormonde: Variant spelling of Ormond, derived from Old English, meaning “spear protector” or “guardian of the spear.”
  49. Ornette: Derived from French, meaning “little eagle” or “eagle-like.”
  50. Olar: Variant of Omar, derived from Arabic, meaning “flourishing” or “long-lived.”
  51. Odysseus: Derived from Greek mythology, the name of the hero of Homer’s epic poem “The Odyssey.”
  52. Orton: Derived from Old English, meaning “shore town” or “farmstead by the shore.”

> Related post: 999+ Baby boy names that start with H

Rare and unique baby boy names that start with O

Rare and unique baby boy names that start with O
Rare and unique baby boy names that start with O

Discover a captivating collection of rare and unique baby boy names that begin with the letter “O”. From traditional choices to modern gems, explore an array of O-starting names for your little one. Find inspiration and embrace the extraordinary with these special monikers.

  1. Obi: Derived from Igbo, meaning “heart” or “one who charms.”
  2. Oz: Derived from Hebrew, meaning “strength” or “might.”
  3. Olsen: Variant spelling of Olson, derived from Old Norse, meaning “son of Ole.”
  4. Ormand: Variant spelling of Ormond, derived from Old English, meaning “spear protector” or “guardian of the spear.”
  5. Oaks: Derived from the English word for “oak trees” or “dweller near the oak trees.”
  6. Osmund: Derived from Old English, meaning “divine protection” or “God’s protection.”
  7. Oswin: Derived from Old English, meaning “friend of God” or “God’s friend.”
  8. Olen: Derived from Greek, meaning “light” or “torch.”
  9. Obama: Surname of African origin, meaning uncertain.
  10. Ostin: Variant spelling of Austin, derived from Latin, meaning “great” or “magnificent.”
  11. Obert: Derived from Germanic, meaning “bright” or “famous.”
  12. Olliver: Variant spelling of Oliver, derived from Old French, meaning “olive tree” or “olive branch.”
  13. Oisin: Derived from Irish mythology, meaning “little deer” or “fawn.”
  14. Ortiz: Derived from Spanish, meaning “son of Ortún” or “son of Ortiz.”
  15. Onofrio: Italian form of Onuphrius, derived from Greek, meaning “one who fasts” or “abstainer.”
  16. Octave: Derived from Latin, meaning “eighth” or “born in the eighth month.”
  17. Oriel: Derived from Latin, meaning “golden” or “golden-haired.”
  18. Ondray: Variant spelling of Andrei, derived from Greek, meaning “manly” or “warrior.”
  19. Orman: Derived from Old English, meaning “spear man” or “warrior.”
  20. Octavious: Variant spelling of Octavius, derived from Latin, meaning “eighth” or “born in the eighth month.”
  21. Oakes: Variant spelling of Oaks, derived from the English word for “oak trees” or “dweller near the oak trees.”
  22. Orpheus: Derived from Greek mythology, the name of a legendary musician and poet.
  23. Obie: Diminutive of Obadiah, derived from Hebrew, meaning “servant of God” or “worshiper of Yahweh.”
  24. Oberon: Derived from Germanic, meaning “noble bear” or “bear-like.”
  25. O’Shay: Variant spelling of O’Shea, derived from Irish, meaning “descendant of Séaghdha” or “hawk-like.”
  26. O’Brien: Derived from Irish, meaning “descendant of Brian” or “noble.”
  27. Ona’je: Derived from Yoruba, meaning “the chosen one” or “the selected one.”
  28. Ondrae: Variant spelling of Andre, derived from Greek, meaning “manly” or “warrior.”
  29. Ondrei: Variant spelling of Andrei, derived from Greek, meaning “manly” or “warrior.”
  30. Ondrey: Variant spelling of Andrei, derived from Greek, meaning “manly” or “warrior.”
  31. Onfre: French form of Humphrey, derived from Germanic, meaning “peaceful warrior.”
  32. Onfroi: Variant spelling of Onfre, derived from Germanic, meaning “peaceful warrior.”
  33. Onjel: Variant spelling of Onjel, derived from Greek, meaning “messenger” or “angel.”
  34. Onjello: Variant spelling of Onjel, derived from Greek, meaning “messenger” or “angel.”
  35. Onnjelo: Variant spelling of Onjel, derived from Greek, meaning “messenger” or “angel.”
  36. Onofredo: Italian form of Onuphrius, derived from Greek, meaning “one who fasts” or “abstainer.”
  37. Onofrius: Variant spelling of Onofrio, derived from Greek, meaning “one who fasts” or “abstainer.”
  38. Onophrio: Variant spelling of Onofrio, derived from Greek, meaning “one who fasts” or “abstainer.”
  39. Onorato: Italian form of Honoratus, derived from Latin, meaning “honor” or “honorific.”
  40. Onslowe: Variant spelling of Onslow, derived from Old English, meaning “hill of the passion” or “sacrifice hill.”
  41. Onwoachi: Derived from Igbo, meaning “who is greater than death.”
  42. Oratio: Derived from Latin, meaning “speech” or “oration.”
  43. Ossin: Variant of Oisin, derived from Irish mythology, meaning “little deer” or “fawn.”
  44. Olu: Derived from Yoruba, meaning “god” or “lord.”
  45. Olaoluwa: Derived from Yoruba, meaning “God’s wealth” or “God’s honor.”
  46. Oralee: Combination of the names Ora and Lee, with Ora meaning “light” and Lee meaning “meadow” or “clearing.”
  47. Oluwatobiloba: Derived from Yoruba, meaning “God is worthy to be praised.”
  48. Onur: Derived from Turkish, meaning “honor” or “dignity.”
  49. Olayinka: Derived from Yoruba, meaning “wealth surrounds me” or “wealth revolves around me.”
  50. Odalis: Derived from Turkish, meaning “chambermaid” or “concubine.”
  51. Oden: Derived from Norse mythology, the name of the chief god Odin.
  52. Oluwaseun: Derived from Yoruba, meaning “God has done something wonderful.”
  53. Ora: Derived from Latin, meaning “prayer” or “speech.” It can also be a variant spelling of the Hebrew name Orah, meaning “light” or “shine.”

> Related post: 999+ Baby boy names that start with G

Classical latin and greek baby boy names that start with O

Classical latin and greek baby boy names that start with O
Classical latin and greek baby boy names that start with O

Discover a charming collection of Classical Latin and Greek baby boy names that start with O. Delve into the rich history of ancient languages and find the perfect name for your little one. From traditional favorites to unique gems, explore this curated list of O names for boys.

  1. Onni: Derived from Finnish, meaning “happiness” or “joy.”
  2. Odhran: Derived from Irish, meaning “pale green” or “little sallow one.”
  3. Otha: Derived from Old English, meaning “wealth” or “prosperity.”
  4. Osric: Derived from Old English, meaning “divine ruler” or “godly king.”
  5. Orsen: Variant spelling of Orson, derived from English, meaning “bear cub” or “little bear.”
  6. Orlan: Derived from Old German, meaning “famous throughout the land” or “renowned land.”
  7. Omario: Variant spelling of Mario, derived from Latin, meaning “manly” or “warrior.”
  8. Oluwatobi: Derived from Yoruba, meaning “God is great” or “God is big.”
  9. Olujimi: Derived from Yoruba, meaning “God has given me rest” or “God has granted me ease.”
  10. Oliverio: Variant spelling of Oliver, derived from Old French, meaning “olive tree” or “olive branch.”
  11. Oleksandr: Ukrainian form of Alexander, derived from Greek, meaning “defender of men” or “protector of mankind.”
  12. Olaf: Derived from Old Norse, meaning “ancestor’s descendant” or “relic of the ancestors.”
  13. Odie: Diminutive of Odell, derived from Old English, meaning “wealthy” or “prosperous.”
  14. Owain: Derived from Welsh, meaning “young warrior” or “youthful knight.”
  15. Ostyn: Variant spelling of Austin, derived from Latin, meaning “great” or “magnificent.”
  16. Orazio: Italian form of Horatio, derived from Latin, meaning “hour” or “time.”
  17. Ohene: Derived from Akan, meaning “king” or “ruler.”
  18. Orvin: Variant spelling of Orville, derived from Old French, meaning “gold town.”
  19. Orry: Variant spelling of Ory, derived from French, meaning “gold.”
  20. Orland: Variant spelling of Roland, derived from Old German, meaning “famous land” or “renowned in the land.”
  21. Orien: Variant spelling of Orion, derived from Greek mythology, the name of a legendary hunter.
  22. Olumide: Derived from Yoruba, meaning “God has come” or “God has arrived.”
  23. Olek: Diminutive of Aleksander, derived from Polish, meaning “defender of men” or “protector of mankind.”
  24. Ottavio: Italian form of Octavius, derived from Latin, meaning “eighth” or “born in the eighth month.”
  25. Otniel: Derived from Hebrew, meaning “God is my strength” or “God’s power.”
  26. Oswyn: Derived from Old English, meaning “friend of God” or “God’s friend.”
  27. Oryon: Variant spelling of Orion, derived from Greek mythology, the name of a legendary hunter.
  28. Or: Derived from Hebrew, meaning “light” or “skin” (also a conjunction).
  29. Onesimo: Derived from Greek, meaning “beneficial” or “useful.”
  30. Olyn: Variant spelling of Olin, derived from Old English, meaning “holly tree” or “of the homeland.”
  31. Olufemi: Derived from Yoruba, meaning “God loves me” or “God cherishes me.”
  32. Oles: Derived from Ukrainian, meaning “lion” or “brave.”
  33. Oleksiy: Variant spelling of Oleksandr, Ukrainian form of Alexander, derived from Greek, meaning “defender of men” or “protector of mankind.”
  34. Olav: Variant spelling of Olaf, derived from Old Norse, meaning “ancestor’s descendant” or “relic of the ancestors.”
  35. Orestes: Derived from Greek mythology, the name of the son of Agamemnon and Clytemnestra, associated with “mountain dweller” or “man of the mountains.”
  36. Oshin: Derived from Armenian, meaning “light” or “sunshine.”
  37. Osha: Derived from Hebrew, meaning “deer.”
  38. Omotunde: Derived from Yoruba, meaning “child has come again” or “child returns.”
  39. O’Keefe: Derived from Irish, meaning “handsome” or “descendant of Eógan.”
  40. Okeke: Derived from Igbo, meaning “share” or “division.”
  41. Okeli: Derived from Igbo, meaning “wealth” or “riches.”
  42. Okonkwo: Derived from Igbo, meaning “born on Nkwo” or “born on a market day.”
  43. Odion: Derived from Edo, meaning “firstborn of twins.”
  44. Oates: Derived from Old English, meaning “son of Ode” or “son of Odo.”
  45. Obadias: Variant spelling of Obadiah, derived from Hebrew, meaning “servant of God” or “worshipper of Yahweh.”
  46. Obadya: Variant spelling of Obadiah, derived from Hebrew, meaning “servant of God” or “worshipper of Yahweh.”
  47. Oberron: Variant spelling of Oberon, derived from Old French, meaning “noble” or “bearlike.”
  48. Obike: Derived from Igbo, meaning “heart of strength” or “strength of the household.”
  49. Ochs: Derived from German, meaning “ox” or “bull.”
  50. Octavo: Derived from Spanish, meaning “eighth” or “born in the eighth month.”
  51. Octovien: Variant spelling of Octavian, derived from Latin, meaning “eighth” or “born in the eighth month.”
  52. Odall: Variant spelling of Odell, derived from Old English, meaning “wealthy” or “prosperous.”
  53. Oron: Derived from Hebrew, meaning “light” or “pine tree.”

> Related post: 999+ Baby boy names that start with F

Biblical, Christian baby boy names that start with O

Biblical, Christian baby boy names that start with O
Biblical, Christian baby boy names that start with O

Looking for biblical baby boy names that start with O? Explore our curated list of O-inspired names rooted in the Bible. Discover meaningful options for your little one’s name.

  1. Obadiah: Obadiah is a masculine given name. It is of Biblical Hebrew origin, and its popularity derives from Obadiah, a prophet in the Hebrew Bible and in the religious traditions of Christianity, Judaism, and Islam.
  2. Obal: Joktan was the second of the two sons of Eber mentioned in the Hebrew Bible. He descends from Shem, son of Noah.
  3. Obed: According to the Biblical Narrative, Obed was a son of Boaz and Ruth, the father of Jesse, and the grandfather of David. He is named as one of Jesus’ ancestors in the genealogies recorded in the Gospel of Matthew and the Gospel of Luke.
  4. Obed-Edom: Obed-Edom is a biblical name which in Hebrew means “servant of Edom,” and which appears in the books of 2 Samuel and 1 and 2 Chronicles. The relationship between these passages has been the subject of scholarly discussions which express uncertainty and disagreements about the relationships between various passages that use the name.
  5. Obil: This article contains persons named in the Bible, specifically in the Hebrew Bible and Old Testament, of minor notability, about whom little or nothing is known, aside from some family connections.
  6. Oboth: The Stations of the Exodus are the locations visited by the Israelites following their exodus from Egypt, according to the Hebrew Bible. In the itinerary given in Numbers 33, forty-two stations are listed, although this list differs slightly from the narrative account of the journey found in Exodus and Deuteronomy.
  7. Oded: Oded is a prophet in the Hebrew Bible, mentioned in 2 Chronicles 28. He was from Samaria, and met the army of the northern kingdom of Israel, who were returning with captives from Judah. In a speech from verse 9 to verse 11, he urged them to return the slaves. He was joined in this plea by some of the northern kingdom’s leaders, and it was successful. The slaves were escorted back to Jericho after being clothed, fed, anointed and some of them put on donkeys.
  8. Og: Og according to the Hebrew Bible and other sources, was an Amorite king of Bashan who was slain along with his army by Moses and his men at the battle of Edrei. In Arabic literature he is referred to as ʿŪj ibn ʿAnāq.
  9. Ohel: Ohel is the name of the fourth son of Zerubbabel. His name is mentioned in 1 Chronicles 3:20.
  10. Olympas: Olympas was a Roman Christian whom Paul of Tarsus saluted in around 65 AD.
  11. Omar: Omar was the name of a man mentioned in the Bible, the ancestor of a Semitic Edomite and Canaanite clan, the son of Eliphaz. Omar’s brothers were Teiman (Yemmen), Zepho, Ga’atam, Kenaz and Amalek.
  12. Omega: Omega is the twenty-fourth and final letter in the Greek alphabet. In the Greek numeric system/isopsephy (gematria), it has a value of 800. The word literally means “great O”, as opposed to omicron, which means “little O”.
  13. Omri: Omri was, according to the Hebrew Bible, the sixth king of Israel. He was a successful military campaigner who extended the northern kingdom of Israel. Other monarchs from the House of Omri are Ahab, Ahaziah, Joram, and Athaliah. Like his predecessor, king Zimri, who ruled for only seven days, Omri is the second king mentioned in the Bible without a statement of his tribal origin. One possibility, though unproven, is that he was of the tribe of Issachar.
  14. Onan: Onan was a figure detailed in the Book of Genesis chapter 38, as the second son of Judah who married the daughter of Shuah the Canaanite. Onan had an older brother Er and a younger brother, Shelah as well. After being commanded by his father, Judah, to procreate with the late Er’s wife Tamar, Onan instead “spilled his seed on the ground whenever he went in” because “the offspring would not be his”, and was thus put to death by Yahweh. This act is detailed as retribution for being “displeasing in the sight of Lord”.
  15. Onesimus: Onesimus, also called Onesimus of Byzantium and The Holy Apostle Onesimus in the Eastern Orthodox Church, was probably a slave to Philemon of Colossae, a man of Christian faith. He may also be the same Onesimus named by Ignatius of Antioch as bishop in Ephesus which would put Onesimus’s death closer to 95. If so, Onesimus went from slave to brother to bishop.
  16. Onesiphorus: Onesiphorus was a Christian referred to in the New Testament letter of Second Timothy. According to the letter sent by St. Paul, Onesiphorus sought out Paul who was imprisoned at the time in Rome.
  17. Ono: Ono was a biblical town of Benjamin in the “plain of Ono”. The modern Kiryat Ono is not to be confused with the biblical Ono.
  18. Ophel: Ophel, also Graecised to ophlas, is the biblical term given to a certain part of a settlement or city that is elevated from its surroundings, and probably means fortified hill or risen area. In the Hebrew Bible, the term is used in reference to two cities: Jerusalem, as in the Book of Chronicles and Book of Nehemiah, and Samaria, mentioned in the Books of Kings. The Mesha Stele, written in Moabite, a Canaanite language closely related to Biblical Hebrew, is the only extra-biblical source using the word, also in connection to a fortified place.
  19. Ophir: Ophir is a port or region mentioned in the Bible, famous for its wealth. King Solomon received a shipment from Ophir every three years which consisted of gold, silver, sandalwood, pearls, ivory, apes, and peacocks.
  20. Ophni: Ophni is a Hebrew Old Testament name meaning mouldy.
  21. Ophrah: Ophrah, is a name in the Hebrew Bible meaning “a fawn” given to: A city of Benjamin, probably identical with Ephron and Ephraim, the modern Palestinian city of Taybeh. The Israeli settlement of Ofra is close to the site as well. According to Epiphanius, it was situated 5 miles east of the city of Bethel.
  22. Oreb: Oreb and Zeeb were two Midianite princes mentioned in the Hebrew Bible. Oreb is a Hebrew Old Testament name, meaning raven while Zeeb means wolf. By the time of the Judges, Oreb and Zeeb were raiding Israel with the use of swift camels, until they were decisively defeated by Gideon. Many of the Midianites perished along with him. These later references reflect the importance ascribed to the victories as symbols of God’s power mediated through his chosen people.
  23. Oren: Oren is a masculine given name, meaning ‘pine’ or ‘ash’ in Hebrew. In the Book of Chronicles, Oren is one of the sons of Jerahmeel, the first-born of Hezron, along with Ram, Bunah, Ozem and Ahijah.
  24. Ornan: Araunah was a Jebusite mentioned in the Second Book of Samuel, who owned the threshing floor on Mount Moriah which David purchased and used as the site for assembling an altar to God. The First Book of Chronicles, a later text, renders his name as Ornan.
  25. Orpah: Orpah is a woman mentioned in the Book of Ruth in the Hebrew Bible. She was from Moab and was the daughter-in-law of Naomi and wife of Chilion. After the death of her husband, Orpah and her sister-in-law Ruth wished to go to Judea with Naomi. However, Naomi tried to persuade both Ruth and Orpah to return to their people and to their gods. Ruth chose to remain with Naomi, but Orpah chose to return to her people and her gods..
  26. Oshea: Joshua also known as Yehoshua or Josue, functioned as Moses’ assistant in the books of Exodus and Numbers, and later succeeded Moses as leader of the Israelite tribes in the Book of Joshua of the Hebrew Bible. His name was Hoshea the son of Nun, of the tribe of Ephraim, but Moses called him “Yehoshua”, the name by which he is commonly known in English. According to the Bible, he was born in Egypt prior to the Exodus.
  27. Othni
  28. Othniel: Othniel was the first of the biblical judges. The etymology of his name is uncertain, but may mean “God/He is my strength” or “God has helped me”.
  29. Ozem: This article contains persons named in the Bible, specifically in the Hebrew Bible and Old Testament, of minor notability, about whom little or nothing is known, aside from some family connections.
  30. Ozias: Uzziah, also known as Azariah, was the tenth king of the ancient Kingdom of Judah, and one of Amaziah’s sons. Uzziah was 16 when he became king of Judah and reigned for 52 years. The first 24 years of his reign were as a co-regent with his father, Amaziah.
  31. Ozni: This article contains persons named in the Bible, specifically in the Hebrew Bible and Old Testament, of minor notability, about whom little or nothing is known, aside from some family connections.

> Related post: 999+ Baby boy names that start with E

This comprehensive list of over 999 baby boy names that start with O offers a wide range of rare, unique, and adorable options for parents-to-be. With such an extensive selection, finding the perfect name for your little one is sure to be an exciting and fulfilling journey.

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