| Name | Meaning | Details |
|---|---|---|
| Ogden | From The Oak Valley | View Details |
| Oihane | From The Forest | View Details |
| Okalani | Of The Heavens | View Details |
| Oksana | Praise Be To God | View Details |
| Oliana | My God Has Answered | View Details |
| Olimpio | Mountain Of The Gods | View Details |
| Oliva | Elf Army | View Details |
| Olive | Olive Or From The Olive Tree | View Details |
| Oliver | Descendant Of The Ancestor | 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 |
| Omega | The Greek Letter | View Details |