| Name | Meaning | Details |
|---|---|---|
| Obioma | Kind Hearted | View Details |
| Oceana | From The Sea | View Details |
| Oceanus | Of The Ocean | View Details |
| Ochoa | The Wolf | View Details |
| Ochola | Father Died While Mother Was Pregnant | View Details |
| October | Born In October | View Details |
| Odahingum | Ripple In The Water | View Details |
| Odalys | Invented Name | View Details |
| Odell | From The Woad Hill | View Details |
| Oderico | Rich In Property | View Details |
| Odina | Divine Creative Inspiration | View Details |
| Odonna | Combination Of Odette And Donna | View Details |
| Ogden | From The Oak Valley | View Details |
| Ohara | Large Plain | View Details |
| Oihane | From The Forest | View Details |