Baby naming is one of the essential things parents should do once a new baby arrives in the family. Babies especially males should be given unique names for the fact that they would bear and grow up with such names.
We know how important it is for you to give your baby boy a unique and cute name, that’s why we compiled this collection of unique baby boy names that start with the letter “O”.
Unique Baby Boy Names that Start with O 2025
| Oliver | Owen |
| Oscar | Omar |
| Orion | Odin |
| Otto | Oakley |
| Omari | Orlando |
| Otis | Onyx |
| Osiris | Osvaldo |
| Octavio | Oskar |
| Oren | Ollie |
| Oseias | Osman |
| Ocean | Olin |
| Orin | Om |
| Obadiah | Ozzy |
| Oden | Omer |
| Orson | Ozias |
| Orrin | Oakland |
| Oziel | Ozzie |
| Oaklee | Obed |
| Osiel | Osmar |
| Octavius | Oshea |
| Omarion | Oaklen |
| Ori | Olivier |
| Oswaldo | Omega |
| Othniel | Odell |
| Oaklyn | Octavian |
| Oswald | Osias |
| Oak | Oryan |
| Ojas | Octavious |
| Olliver | Ousmane |
| Ollivander | Oz |
| Olen | Odyn |
| Olsen | Oumar |
| Olyver | Omran |
| Owyn | Omere |
| Orian | Oryn |
| Oswin | Oluwatobiloba |
| Omri | Oziah |
| Odysseus | Olan |
| Osbaldo | Ole |
| Omir | Oisin |
| Oluwademilade | Omid |
| Opie | Oberon |
| Oran | Orville |
| Oaklan | Olamide |
| Oluwasemilore | Otoniel |
| Olaoluwa | Oluwatimilehin |
| Ostin | Ovadia |
| Owais | Oakes |
| Ogden | Oday |
| Odis | Oluwadarasimi |
