| Name | Meaning | Details |
|---|---|---|
| Onslow | Hill Of The Passionate One | View Details |
| Onufry | Grazing Donkey | View Details |
| Onur | Honor | View Details |
| Onyx | Black Gemstone | View Details |
| Oona | One | View Details |
| Oormi | Flow Of Emotions | View Details |
| Oraefo | Affectionate | View Details |
| Oratilwe | Loved One | View Details |
| Ormand | Descendent Of The Red One | View Details |
| Ormanda | Descendent Of The Red One | View Details |
| Ornice | Combination Of Ornella And Janice | View Details |
| Ortiz | Son Of Orti | View Details |
| Osama | Lion-Like | View Details |
| Osias | Salvation | View Details |
| Othniel | Strength/Lion Of God | View Details |