| Name | Meaning | Details |
|---|---|---|
| Onika | Who Is Greater Than God? | View Details |
| Onslow | Hill Of The Passionate One | View Details |
| Ontibile | God Is Watching Over Me | View Details |
| Onyekachukwu | Who Is Greater Than God? | View Details |
| Ooko | Born Outside The Hospital | View Details |
| Oraefo | Affectionate | View Details |
| Oralia | Created Name | View Details |
| Orenda | Great Spirit | View Details |
| Orestes | Mountain Dweller | View Details |
| Orhan | Great Leader | View Details |
| Orien | The Orient | View Details |
| Oringo | He Who Likes The Hunt | View Details |
| Orion | Mountain Dweller | View Details |
| Ormand | Descendent Of The Red One | View Details |
| Ormanda | Descendent Of The Red One | View Details |