| Name | Meaning | Details |
|---|---|---|
| Oluina | From The Family Of My Mother | View Details |
| Olympia | Mountain Of The Gods | View Details |
| Omega | The Greek Letter | View Details |
| Omodara | The Child Is Good | View Details |
| Omolara | Born At The Right Time | View Details |
| Onatah | Daughter Of The Earth | View Details |
| Ondina | Water Sprite | View Details |
| Ondine | Wave Of Water | View Details |
| Onslow | Hill Of The Passionate One | View Details |
| Ooko | Born Outside The Hospital | View Details |
| Orah | From Ora. | View Details |
| Orien | The Orient | View Details |
| Oringo | He Who Likes The Hunt | View Details |
| Orlando | From Glorious Land | View Details |
| Ormand | Descendent Of The Red One | View Details |