| Name | Meaning | Details |
|---|---|---|
| Ondrea | Manly | View Details |
| Oneida | Eagerly Awaited | View Details |
| Onella | Torch Light | View Details |
| Oni | Born On Holy Ground | View Details |
| Onika | Who Is Greater Than God? | View Details |
| Onni | Happiness; Luck | View Details |
| Onnika | Light | View Details |
| Onofre | Peace Warrior | View Details |
| Onslow | Hill Of The Passionate One | View Details |
| Ontibile | God Is Watching Over Me | View Details |
| Onufry | Grazing Donkey | View Details |
| Onur | Honor | View Details |
| Onyekachukwu | Who Is Greater Than God? | View Details |
| Onyx | Black Gemstone | View Details |
| Ooko | Born Outside The Hospital | View Details |