| Conlaoch | | - | Irish Mythology | |
| Connla | | - | Irish Mythology | |
| Conor | | KAHN-ər (English) | Irish, English, Irish Mythology | |
| Consus | | - | Roman Mythology | |
| Cora | | KAWR-ə (English) | English, German, Greek Mythology (Latinized) | |
| Crius | | - | Greek Mythology (Latinized) | |
| Cronus | | KRO-nəs (English) | Greek Mythology (Latinized) | |
| Culhwch | | KEEL-hookh (Welsh) | Welsh, Welsh Mythology | |
| Cupid | | KYOO-pəd (English) | Roman Mythology | |
| Cybele | | SIB-ə-lee (English) | Near Eastern Mythology (Hellenized) | |
| Cynthia | | SIN-thee-ə (English) | English, Greek Mythology (Latinized) | |
| DÁIre | | DAW-ra | Irish, Irish Mythology | |
| Daedalus | | DED-ə-ləs (English) | Greek Mythology (Latinized) | |
| Dagan | | - | Near Eastern Mythology | |
| Dagda | | DAHG-dah | Irish Mythology | |