| Name | Meaning | Details |
|---|---|---|
| Olliana | Oleander | View Details |
| Olof | "Ancestors Heir" | View Details |
| Olympe | Olympian | View Details |
| Omarion | Combination Of Omar And -ion | View Details |
| Ominotago | Pleasant Voice | View Details |
| Ondrea | Manly | View Details |
| Onika | Who Is Greater Than God? | View Details |
| Onyekachukwu | Who Is Greater Than God? | View Details |
| Oorjita | Powerful Woman | View Details |
| Opaque | Not Transparent | View Details |
| Orchid | Flowering Plant | View Details |
| Orestes | Mountain Dweller | View Details |
| Orinda | Pine Trees | View Details |
| Orion | Mountain Dweller | View Details |
| Orlando | From Glorious Land | View Details |
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