| Name | Meaning | Details |
|---|---|---|
| Okapi | Animal With Long Neck | View Details |
| Olabisi | Increased Honors | View Details |
| Olicia | Of Noble Kin | View Details |
| Onur | Honor | View Details |
| Opaque | Not Transparent | View Details |
| Orenthal | Unknown | View Details |
| Orpheus | Unknown Meaning | View Details |
| Othello | Of Unknown Meaning | View Details |
| Owl | Nocturnal Bird Of Prey | View Details |
| Pacheco | Noble One | View Details |
| Paddy | Noble | View Details |
| Padraic | Nobleman | View Details |
| Panagiotis | In Honor Of The Virgin Mary | View Details |
| Panos | In Honor Of The Virgin Mary | View Details |
| Pat | Noble | View Details |