| Name | Meaning | Details |
|---|---|---|
| Oria | Form Of Aurea | View Details |
| Orien | The Orient | View Details |
| Oringo | He Who Likes The Hunt | View Details |
| Ormand | Descendent Of The Red One | View Details |
| Ormanda | Descendent Of The Red One | View Details |
| Ornice | Combination Of Ornella And Janice | View Details |
| Ortiz | Son Of Orti | View Details |
| Oscosh | The Bravest Of All | View Details |
| Osiris | God Of The Dead | View Details |
| Ossie | Diminutive Form Of Names Beginning With Os | View Details |
| Othello | Of Unknown Meaning | View Details |
| Othniel | Strength/Lion Of God | View Details |
| Ouida | Famous Warrior | View Details |
| Overton | From The Riverbank Town | View Details |
| Owen | The Yew Tree Or Youth | View Details |