| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Odilia | - | Ancient Germanic | ||
| Odilie | o-DEE-lee-ə | German (Archaic) | ||
| Odilo | - | Ancient Germanic | ||
| Odo | - | Ancient Germanic | ||
| Odoacer | o-do-AY-sər (English) | Ancient Germanic | ||
| Odovacar | o-do-VAY-kər (English) | Ancient Germanic | ||
| Odtsetseg | - | Mongolian | ||
| Ofelia | o-FE-lyah | Spanish, Italian | ||
| Ogechi | - | Western African, Igbo | ||
| Ogechukwukama | - | Western African, Igbo | ||
| Oghenekaro | - | Western African, Urhobo | ||
| Oghenekevwe | - | Western African, Urhobo | ||
| Oghenero | - | Western African, Urhobo | ||
| Ognen | - | Macedonian | ||
| Ognena | - | Macedonian |