| Name | Meaning | Details |
|---|---|---|
| Onaona | Sweet Smell | View Details |
| Onslow | Hill Of The Passionate One | View Details |
| Onyx | Black Gemstone | View Details |
| Oona | One | View Details |
| Oorjita | Powerful Woman | View Details |
| Orana | Welcome | View Details |
| Oratilwe | Loved One | View Details |
| Orchid | Flowering Plant | View Details |
| Orestes | Mountain Dweller | View Details |
| Orianthe | Flower | View Details |
| Orion | Mountain Dweller | View Details |
| Ormand | Descendent Of The Red One | View Details |
| Ormanda | Descendent Of The Red One | View Details |
| Ornella | Flowering Ash Tree | View Details |
| Orquidea | Orchid Flower | View Details |