| Name | Meaning | Details |
|---|---|---|
| Omega | The Greek Letter | View Details |
| Omeo | Mountains | View Details |
| Omodara | The Child Is Good | View Details |
| Omolara | Born At The Right Time | View Details |
| Onatah | Daughter Of The Earth | View Details |
| Onni | Happiness; Luck | View Details |
| Onslow | Hill Of The Passionate One | View Details |
| Ontibile | God Is Watching Over Me | View Details |
| Onufry | Grazing Donkey | View Details |
| Ooko | Born Outside The Hospital | View Details |
| Ooyu | Rainbow | View Details |
| Orah | From Ora. | View Details |
| Orane | Rising | View Details |
| Orchid | Flowering Plant | View Details |
| Orde | Point | View Details |