80+ Charming Boy Names Starting With 'O'

Explore diverse and meaningful boy names starting with 'O' from different cultures.

Updated February 6, 2025
Father and son playing indoors

Boy names that start with O provide a wide range of choices for your baby boy. You may have a preference for boy names referencing God, of Indian origin, nature-oriented, or from various cultures.

Amazing Boy Names That Start With O

Choosing a boy's name that starts with O can be fun. There are many exciting options for selecting the perfect name for your little man. A list of these names along with their meanings and origin can help you to decide if it is a good fit for your baby boy.

  1. Oberon: Sorcerer rule (German)
  2. Ocean: Sea (Greek)
  3. Octavian, Octavius: Eighth (Latin)
  4. Oday: The searcher (Gaelic)
  5. Odin, Oden: God of war and death, poetry and culture (Norse), (Swedish)
  6. Odis: Wealth (German)
  7. Olaf: Ancestor's descendant (Norse)
  8. Ole: Ancestor's descendant (Danish)
  9. Olin: Ancestor's heir (Swedish)
  10. Oliver, Olliver, Olyver: Olive tree planter (Latin)
  11. Oliverio: Olive (Latin)
  12. Ollie, Olly: Elf army (English)
  13. Omid: Hope (Persian)
  14. Onyx: Black gemstone (English)
  15. Oran: Green (Irish)
  16. Orel: Eagle (Russian)
  17. Oreta: Virtue (Greek)
  18. Ori: My light (Hebrew)
  19. Orian: Privileged birth (English)
  20. Oriel: Eagle (Russian)
  21. Orion: Son of fire, dawning (Greek)
  22. Orpheus: A great musician and poet of Greek myth (Greek)
  23. Orville: Gold town (French)
  24. Otis: Wealthy; derivation of Otto (German)
  25. Otoniel: Wealth, powerful lord (Italian), (Spanish)
  26. Otto: Wealthy (German, Swedish)
  27. Oz: Powerful, courageous (Hebrew)
Boy Names That Start With O to Obsess Over

Famous Boy Names About God Beginning With O

If you wish to name your little guy in honor of God, you may find a list of names helpful. These names describe a relationship to God that may be exactly what you had in mind for your little boy's name.

  1. Obadiah: Servant of God (Hebrew)
  2. Obed: Servant of God (Hebrew)
  3. Oluwadarasimi: God is good tome (Nigerian)
  4. Oluwademilade: God crowned me (Yoruba)
  5. Omari: God the highest, high born (Swahili), (Egyptian)
  6. Opie, Oppy: God bear, son of Asbjorn (Viking)
  7. Osaze: Loved by God (Egyptian)
  8. Oscar, Oskar: God's spear, friend of deer (English), (German)
  9. Oshea: A savior, deliverer (Irish)
  10. Osias: Salvation (Hebrew)
  11. Osiel: My power is God (Greek)
  12. Osiris: God of the dead and the underworld (Egyptian)
  13. Osmar: Divinely glorious (English)
  14. Osmond: Divine protector (English)
  15. Osvaldo: God rules (Spanish)
  16. Oswald, Oswaldo: God rule (Norse), (Spanish)
  17. Oswin: God's friend (English)
  18. Othniel: God is my strength (Hebrew)
  19. Oziel: Having the strength of God (Spanish)
Baby boy wearing oversized glasses

Cool Nature Names for a Boy That Start With O

You may prefer a cool name that refers to nature as the best name for your baby boy. Many of the boy names that start with O reference the oak tree, land, or animal.

  1. Oak: Tree (English)
  2. Oakes: Oak wood (English)
  3. Oakland: Oak land (English)
  4. Oaklee, Oakley: Meadow of oak trees (English)
  5. Oaklen, Oaklyn: Oak Glen (English)
  6. Odell: Of the valley (English)
  7. Odhran: Little pale green one (Irish)
  8. Ogden: Oak valley (English)
  9. Olivier: Olive tree (Latin)
  10. Onslow: From the zealous one's hill (English)
  11. Oren, Orin, Orrin: Pale-skinned, pine tree (Gaelic), (Hebrew)
  12. Orik: From the ancient oak tree (English)
  13. Orlando: Glorious land (Italian)
  14. Orrick: From the ancient oak tree (English)
  15. Orson: Bear cub (Latin)
  16. Orton: From the shore settlement or town (English)
  17. Osborn: Divine bear (English)
  18. Owen, Owyn: Youth, born of a yew tree (Welsh), (Celtic)
  19. Oxley: From the ox enclosure (English)
  20. Ozzie, Ozzy: Bear god, God's power (Norse), (German)

Indian Baby Boy Names Starting With O

You may want an Indian name that starts with O for your baby boy. There are many great Indian names for you to consider.

  1. Obalesh: Lord Shiva
  2. Odan: Cloud
  3. Oha: Meditation, true knowledge
  4. Ohit: Brilliant
  5. Oisin: Divine
  6. Ojal: Splendid
  7. Ojas: Light
  8. Ojayit: Courageous
  9. Oman: Giver of life
  10. Omeed: Hope
  11. Omor: Awesomeness
  12. Onain: Vision
  13. Oni: Shelter
  14. Onir: Shining
  15. Ori: Charitable king
  16. Orion: Son of fire
  17. Osaf: A good dancer
  18. Oula: First
  19. Ovin: Handsome
  20. Owaisi: Brave gifted talented
Portrait of an Indian toddler

Boy Names That Start With O

You have many choices for boy names that start with O to consider for your little guy. Each boy's name has the meaning and origin to help you decide which one is ideal for your baby boy.

80+ Charming Boy Names Starting With 'O'