| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| ODIN | O-din | Norse Mythology, English (Modern) | ||
| ODO | - | Ancient Germanic | ||
| ODOACER | o-do-AY-sər (English) | Ancient Germanic | ||
| Odom | ['əudəm] | |||
| ODOVACAR | o-do-VAY-kər (English) | Ancient Germanic | ||
| ODRAN | - | Irish | ||
| ODYSSEUS | o-DIS-ee-əs (English) | Greek Mythology | ||
| OEDIPUS | ED-i-pəs (English), EED-i-pəs (English) | Greek Mythology (Latinized) | ||
| OFEK | - | Hebrew | ||
| OFER | - | Hebrew | ||
| OFYDD | - | Welsh | ||
| Ogden | ['ɔ:gdən] | |||
| OGDEN | AWG-dən | English | ||
| OGNEN | - | Macedonian | ||
| OGNIAN | - | Bulgarian |