| Name | Meaning | Details |
|---|---|---|
| Onaedo | Gold | View Details |
| Onatah | Daughter Of The Earth | View Details |
| Onslow | Hill Of The Passionate One | View Details |
| Ooko | Born Outside The Hospital | View Details |
| Ophira | Gold | View Details |
| Orabella | Beautiful Gold | View Details |
| Orah | From Ora. | View Details |
| Oralee | Golden | View Details |
| Orella | Golden | View Details |
| Oriana | Golden | View Details |
| Oriel | Gold | View Details |
| Orien | The Orient | View Details |
| Oringo | He Who Likes The Hunt | View Details |
| Oriole | Golden; A Gold Flecked Bird | View Details |
| Orla | Gold Queen | View Details |