| Name | Meaning | Details |
|---|---|---|
| Olivia | "Ancestors Descendant" | View Details |
| Olivier | "Elf Warrior Or Ancestors Descendant" | View Details |
| Olof | "Ancestors Heir" | View Details |
| Omer | Bundle Of Corn | View Details |
| Omolara | Born At The Right Time | View Details |
| Onella | Torch Light | View Details |
| Oni | Born On Holy Ground | View Details |
| Onofre | Peace Warrior | View Details |
| Onur | Honor | View Details |
| Ooko | Born Outside The Hospital | View Details |
| Orah | From Ora. | View Details |
| Orea | Form Of Aurea | View Details |
| Oria | Form Of Aurea | View Details |
| Orien | The Orient | View Details |
| Orlando | From Glorious Land | View Details |