| Name | Meaning | Details |
|---|---|---|
| Ogden | From The Oak Valley | View Details |
| Oihane | From The Forest | View Details |
| Okalani | Of The Heavens | View Details |
| Okan | Archer | View Details |
| Okoth | Born When It Was Raining | View Details |
| Ola | "Ancestors Heir" | View Details |
| Olaf | "Ancestors Heir" | View Details |
| Ole | "Ancestors Heir" | View Details |
| Olimpio | Mountain Of The Gods | View Details |
| Olin | "Ancestors Heir" | View Details |
| Olina | "Ancestors Heir" | View Details |
| Olive | Olive Or From The Olive Tree | View Details |
| Oliver | Descendant Of The Ancestor | View Details |
| Olof | "Ancestors Heir" | View Details |
| Oluina | From The Family Of My Mother | View Details |