| Name | Meaning | Details |
|---|---|---|
| Olimpio | Mountain Of The Gods | View Details |
| Oliva | Elf Army | View Details |
| Ollie | Elf Army | View Details |
| Oluina | From The Family Of My Mother | View Details |
| Olujimi | God Gave Me This | View Details |
| Olympia | Mountain Of The Gods | View Details |
| Omarosa | My Beautiful Child | View Details |
| Omri | My Sheaf | 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 |
| Orli | You Are My Light | View Details |
| Orly | You Are My Light | View Details |
| Osbert | God Bright | View Details |
| Osborn | God Bear | View Details |