| Name | Meaning | Details |
|---|---|---|
| Okoth | Born When It Was Raining | View Details |
| Olsen | Son Of Olaf | View Details |
| Olson | Son Of Olaf | View Details |
| Omolara | Born At The Right Time | View Details |
| Oni | Born On Holy Ground | View Details |
| Ooko | Born Outside The Hospital | View Details |
| Ortiz | Son Of Orti | View Details |
| Otieno | Born At Night | View Details |
| Owena | Desire Born | View Details |
| Owino | Born With Umbilical Cord Around Neck | View Details |
| Oyewole | Born Of Good Standing | View Details |
| Paitalyi | Son Of The Sun | View Details |
| Parlan | Son Of The Plough | View Details |
| Parry | Son Of Harry | View Details |
| Pasua | Born By Caesarean | View Details |