| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Chariovalda | - | Ancient Germanic | ||
| Charis | KAR-is (English) | Ancient Greek, English (Rare) | ||
| Chariton | - | Ancient Greek | ||
| Charmion | - | Ancient Greek | ||
| Chlodochar | - | Ancient Germanic | ||
| Chlodovech | - | Ancient Germanic | ||
| Chlodulf | - | Ancient Germanic | ||
| Chloe | KLO-ee (English) | English, Biblical, Biblical Latin, Biblical Greek, Ancient Greek, Greek Mythology | ||
| Chlothar | - | Ancient Germanic | ||
| Chlotichilda | - | Ancient Germanic | ||
| Chrysanthe | - | Ancient Greek | ||
| Chrysanthos | - | Greek, Ancient Greek | ||
| Cicero | SIS-ə-ro (English) | Ancient Roman | ||
| Claudia | KLAW-dee-ə (English), KLOW-dee-ah (German, Dutch), KLOW-dyah (Italian, Spanish, Romanian) | English, German, Dutch, Italian, Spanish, Romanian, Biblical, Ancient Roman | ||
| Claudius | KLAW-dee-əs (English) | Ancient Roman |