| Name | Meaning | Details |
|---|---|---|
| Oceanus | Of The Ocean | View Details |
| Odgerel | Starlight | View Details |
| Odonna | Combination Of Odette And Donna | View Details |
| Oihane | From The Forest | View Details |
| Ojas | Strong One | View Details |
| Ojinjintka | Queen Of Flowers | View Details |
| Okalani | Of The Heavens | View Details |
| Ola | "Ancestors Heir" | View Details |
| Olaf | "Ancestors Heir" | View Details |
| Olavi | Ancestor; Descendant | View Details |
| Ole | "Ancestors Heir" | View Details |
| Olencia | Combination Of Olivia And Valencia | View Details |
| Olicia | Of Noble Kin | View Details |
| Olimpio | Mountain Of The Gods | View Details |
| Olin | "Ancestors Heir" | View Details |