| Name | Meaning | Details |
|---|---|---|
| Omodara | The Child Is Good | View Details |
| Onaedo | Gold | View Details |
| Onika | Who Is Greater Than God? | View Details |
| Ontibile | God Is Watching Over Me | View Details |
| Onyekachukwu | Who Is Greater Than God? | View Details |
| Ophira | Gold | View Details |
| Orabella | Beautiful Gold | View Details |
| Oralee | Golden | View Details |
| Orella | Golden | View Details |
| Oriana | Golden | View Details |
| Oriel | Gold | View Details |
| Oriole | Golden; A Gold Flecked Bird | View Details |
| Orla | Gold Queen | View Details |
| Orlaith | Gold Queen | View Details |
| Orleans | Golden | View Details |