| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Christophe | krees-TOF | French | ||
| ClÉMence | kle-MAWNS | French | ||
| ClÉMent | kle-MAWN | French | ||
| Clair | KLER | French, English | ||
| Claire | KLER | French, English | ||
| Clarisse | kla-REES | French | ||
| Claude | KLOD (French), KLAWD (English) | French, English | ||
| Claudette | klo-DET | French | ||
| Claudie | klo-DEE | French | ||
| Claudine | klo-DEEN | French | ||
| Clementine | klə-mawn-TEEN | French | ||
| CloÉ | klo-E (French) | Portuguese, French | ||
| Clothilde | klo-TEELD | French | ||
| Clotilde | klo-TEELD (French) | French, Italian, Portuguese, Spanish | ||
| Clovis | KLO-vis (English), klo-VEES (French) | Ancient Germanic (Latinized), French |