Oceanus | | - | Greek Mythology (Latinized) | |
Oden | | - | Norse Mythology | |
Odin | | O-din | Norse Mythology, English (Modern) | |
Odysseus | | o-DIS-ee-əs (English) | Greek Mythology | |
Oedipus | | ED-i-pəs (English), EED-i-pəs (English) | Greek Mythology (Latinized) | |
Oenone | | - | Greek Mythology (Latinized) | |
Oidipous | | - | Greek Mythology | |
Oinone | | - | Greek Mythology | |
OisÍN | | OSH-een, USH-een | Irish, Irish Mythology | |
Okeanos | | - | Greek Mythology | |
Orestes | | o-RES-teez (English) | Greek Mythology | |
Orion | | o-RIE-ən (English) | Greek Mythology | |
Ormazd | | OR-mazd | Persian Mythology | |
Orpheus | | AWR-fee-əs (English) | Greek Mythology | |
Orvar | | - | Swedish, Norse Mythology | |