| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Clytemnestra | klie-təm-NES-trə (English) | Greek Mythology (Latinized) | ||
| Clytia | - | Greek Mythology (Latinized) | ||
| Coeus | - | Greek Mythology (Latinized) | ||
| Cora | KAWR-ə (English) | English, German, Greek Mythology (Latinized) | ||
| Crius | - | Greek Mythology (Latinized) | ||
| Cronus | KRO-nəs (English) | Greek Mythology (Latinized) | ||
| Cynthia | SIN-thee-ə (English) | English, Greek Mythology (Latinized) |