| Name | Meaning | Details |
|---|---|---|
| Oberon | Noble Bear | View Details |
| October | Born In October | View Details |
| Odelia | I Will Thank God | View Details |
| Odelya | I Will Thank God | View Details |
| Odeya | I Will Thank God | View Details |
| Oksana | Praise Be To God | View Details |
| Oktyabrina | October Revolution | View Details |
| Oliana | My God Has Answered | View Details |
| Olimpio | Mountain Of The Gods | View Details |
| Olujimi | God Gave Me This | View Details |
| Olympia | Mountain Of The Gods | View Details |
| Omarosa | My Beautiful Child | View Details |
| Onika | Who Is Greater Than God? | View Details |
| Ontibile | God Is Watching Over Me | View Details |
| Onyekachukwu | Who Is Greater Than God? | View Details |