| Name | Meaning | Details |
|---|---|---|
| Odeya | I Will Thank God | View Details |
| Oksana | Praise Be To God | 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 |
| Onika | Who Is Greater Than God? | View Details |
| Ontibile | God Is Watching Over Me | View Details |
| Onyekachukwu | Who Is Greater Than God? | View Details |
| Ora | Prayer | View Details |
| Oracion | Prayer | View Details |
| Osbert | God Bright | View Details |
| Osborn | God Bear | View Details |
| Osbourne | God Bear | View Details |
| Osgood | God Goth | View Details |