| Name | Meaning | Details |
|---|---|---|
| Obadiah | Servant Of Yahweh | View Details |
| Obedience | The Act Of Obeying | View Details |
| Oceanus | Of The Ocean | View Details |
| Odonna | Combination Of Odette And Donna | View Details |
| Ojinjintka | Queen Of Flowers | View Details |
| Okalani | Of The Heavens | View Details |
| Olencia | Combination Of Olivia And Valencia | View Details |
| Olicia | Of Noble Kin | View Details |
| Olimpio | Mountain Of The Gods | View Details |
| Olisa | Combination Of Olivia And Elisa | View Details |
| Oliver | Descendant Of The Ancestor | View Details |
| Olsen | Son Of Olaf | View Details |
| Olson | Son Of Olaf | View Details |
| Oluina | From The Family Of My Mother | View Details |
| Olympia | Mountain Of The Gods | View Details |