Choosing the right name for your little one is a journey of love and discovery. We’re here to join you on this adventure with our list of 50 Australian Baby Boy Names Starting with O, all imbued with charm and character. Let’s find that one name that resonates with your heart and your hopes for your baby boy.
Notable People With Australian Baby Boy Names Starting with O
Take inspiration from famous personalities bearing some of these unique O-starting monikers. Australian cricketer ‘Oscar’ McGuire, and Oscar-winning actor ‘Oliver’ Jackson-Cohen are just a few who have made a mark with their names. Their victories and achievements might be the story you’ll share with your son someday.
| Name | Common Variations | Meaning |
|---|---|---|
| 1. Oliver | Ollie, Olivier | Olive Tree |
| 2. Oscar | Oskar, Ossie | Divine Spear |
| 3. Owen | Owain, Ewen | Young Warrior |
| 4. Orlan | Orland, Orlyn | Famous Land |
| 5. Orson | Orsen, Orsin | Bear Cub |
| 6. Otto | Ottis, Otho | Wealthy |
| 7. Orion | Oryan, Orien | Rising in the Sky |
| 8. Orleans | Orlean, Orlein | Golden |
| 9. Othello | Otho, Otello | Prosperous |
| 10. Orien | Oren, Orin | The Orient, East |
| 11. Osmond | Osmand, Osmon | Divine Protection |
| 12. Octavius | Octavio, Octave | Eighth Son |
| 13. Odell | Odel, Odall | Woad Hill |
| 14. Oakes | Oaks, Oak | Near the Oak Trees |
| 15. Obadiah | Obadia, Obed | Servant of God |
| 16. Obert | Oburt, Obirt | Bright, Renowned |
| 17. Oceane | Ocean, Oceano | Ocean |
| 18. Octavian | Octavien, Octaviano | Eighth |
| 19. Odhran | Odhrin, Odhron | Little Pale Green One |
| 20. Ogden | Ogdon, Ogdan | From the Oak Tree Valley |
| 21. Omar | Omarr, Omer | Flourishing, Life |
| 22. Omer | Omi, Omar | Flourishing, Life |
| 23. Opie | Opy, Opee | Son of the opens |
| 24. Orpheus | Orfus, Orfeus | Beautiful Voice |
| 25. Orville | Orvill, Orvyl | Gold Town |
| 26. Osborn | Osbourn, Osburn | God Bear |
| 27. Oswald | Oswal, Oswold | Divine Power |
| 28. Otis | Otys, Oatis | He Who Hears Well |
| 29. Ovid | Ovidius, Ovide | Sheep Keeper |
| 30. Osrick | Osruck, Osrik | Divine Ruler |
| 31. Oakley | Okley, Oakey | Mead of Oaks |
| 32. Osmar | Osmarr, Ozmar | Divinely Glorious |
| 33. Orlin | Orlyn, Orlan | Eagle |
| 34. Orton | Ortan, Orten | Wealthy One |
| 35. Osvaldo | Osvald, Oswald | God’s Power |
| 36. Osias | Ozias, Osiah | Salvation |
| 37. Otway | Otwey, Ottway | Prosperous in War |
| 38. Ouray | Ourai, Ourae | Arrow |
| 39. Ovidio | Ovid, Ovidiu | Sheep Keeper |
| 40. Oxley | Oxsley, Oxeley | Ox Clearing |
| 41. Ozzie | Ozzy, Ozi | Divine Spear |
| 42. Osgood | Ozgood, Osgod | God is Good |
| 43. Orestes | Oreste, Orest | Mountain Dweller |
| 44. Oisin | Osheen, Ossian | Little Deer |
| 45. Orville | Orvil, Orvel | Golden City |
| 46. Orlan | Orlyn, Orland | Famous Land |
| 47. Ozias | Oziah, Ozyas | Salvation |
| 48. Obed | Obad, Obyd | Servant |
| 49. Obie | Obee, Oby | Work of God |
| 50. Onyx | Onix, Onixx | Black Gemstone |
To all the expectant moms out there, thanks for joining us on this journey through 50 Australian Baby Boy Names Starting with O. Hopefully, you’ve found a name that speaks to you, a name that your son will carry proudly. Remember, there are countless more name idea lists waiting for you on our site, ready to inspire. So, let’s keep exploring together, because the perfect name for your little one is out there!
