Baby Boy Names Starting with Letter O
Boy names starting with the letter O are listed below. Tap a name to see its meaning, numerology and astrological details.
Boy Names
1,289 names found · showing 1,121–1,160
| Boy Name | Meaning |
|---|
| Ormos | A name meaning a small mountain pass. |
| Ors | An old name meaning a bear or cub. |
| Ozor | name of an ethnic group |
| Orbalaye | A Yoruba name meaning king of the world. |
| Ockan | Brown Horse; Horse Lover |
| Ockey | A name meaning a dweller by the oak tree. |
| Odar | Grey Brown; Dark |
| Odhar | Grey Brown; Dark |
| Oengusa | Chosen One; Unique Choice |
| Oilleog | An Irish name meaning a small leaf or bud. |
| Oison | A name meaning a little deer or fawn. |
| Oissene | A name meaning a small deer or fawn. |
| Olchobar | An Irish name meaning high desire. |
| Olibhear | Seller; Processor of Olive Oil |
| Onchu | A name meaning a mighty hound or wolf. |
| ONeil | A name meaning a champion or cloud. |
| Oney | A name meaning a lamb or young sheep. |
| Oonan | Strength; Power |
| Ornait | Ulster; Battler |
| Orthanach | An Irish name meaning a dark one. |
| Osgur | Divine Spear, Dear Friend |
| Oshe | A name meaning a deer or a fawn. |
| Ossan | A name of Irish origin meaning little deer. |
| Otteran | Wealthy; Prosperous |
| Ounam | A name of uncertain origin meaning a gift. |
| Owney | An Irish name meaning a young champion. |
| Ownry | Ruler of the State |
| Ozuru | A large, noble crane. |
| Obdulio | Comforts Others During Sorrow |
| Octavis | Eighth in Order |
| Olethrus | A Greek term meaning destruction. |
| Olivero | One who brings peace or olive tree. |
| Olley | A name meaning descendant of the heir. |
| Ollivor | Derived from the olive tree. |
| Optato | One who is greatly desired. |
| Oratio | Refers to prayer or speech. |
| Oriol | Derived from the golden one. |
| Orono | Meaning a worker or laborer. |
| Orris | Keeper of the Hours |
| Orsini | Descended from a little bear. |