| Name | Meaning | Details |
|---|---|---|
| Ometaway | One Who Gambles | View Details |
| Omolara | Born At The Right Time | View Details |
| Onika | Who Is Greater Than God? | View Details |
| Onslow | Hill Of The Passionate One | View Details |
| Onyekachukwu | Who Is Greater Than God? | View Details |
| Onyx | Black Gemstone | View Details |
| Oona | One | View Details |
| Orah | From Ora. | View Details |
| Oratilwe | Loved One | View Details |
| Oringo | He Who Likes The Hunt | View Details |
| Orlando | From Glorious Land | View Details |
| Ormand | Descendent Of The Red One | View Details |
| Ormanda | Descendent Of The Red One | View Details |
| Orozco | From Orozco | View Details |
| Ortega | From Ortega | View Details |