| Name | Meaning | Details |
|---|---|---|
| Ormand | Descendent Of The Red One | View Details |
| Ormanda | Descendent Of The Red One | View Details |
| Oscosh | The Bravest Of All | View Details |
| Osiris | God Of The Dead | View Details |
| Ourania | Heavenly | View Details |
| Overton | From The Riverbank Town | View Details |
| Ovid | Sheep Herder | View Details |
| Ovidio | Shepherd | View Details |
| Owen | The Yew Tree Or Youth | View Details |
| Owethu | He/She Is Ours | View Details |
| Oxford | From The Oak Valley | View Details |
| Ozer | "Gods Helper" | View Details |
| Ãzgür | "Gods Helper" | View Details |
| Oziel | Having The Strength Of God | View Details |
| Pachacutec | One Who Changes The World | View Details |