| Name | Meaning | Details |
|---|---|---|
| Oliver | Descendant Of The Ancestor | View Details |
| Olsen | Son Of Olaf | View Details |
| Olson | Son Of Olaf | View Details |
| Oluina | From The Family Of My Mother | View Details |
| Olympia | Mountain Of The Gods | View Details |
| Omar | Long Life | View Details |
| Omarion | Combination Of Omar And -ion | View Details |
| Omega | The Greek Letter | View Details |
| Ometaway | One Who Gambles | View Details |
| Omodara | The Child Is Good | View Details |
| Omolara | Born At The Right Time | View Details |
| Onatah | Daughter Of The Earth | View Details |
| Oni | Born On Holy Ground | View Details |
| Onslow | Hill Of The Passionate One | View Details |
| Onufry | Grazing Donkey | View Details |