| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Cindra | SIN-drə | English (Rare) | ||
| Cindy | SIN-dee | English | ||
| Cissy | SIS-ee | English | ||
| Clair | KLER | French, English | ||
| Claire | KLER | French, English | ||
| Clancy | KLANT-see | Irish, English (Rare) | ||
| Clara | KLAH-rah (Italian, German, Spanish), KLER-ə (English), KLAR-ə (English) | Italian, German, Spanish, Portuguese, Catalan, Romanian, English, Swedish, Danish, Late Roman | ||
| Clare | KLER, KLAR | English | ||
| Clarence | KLER-ənts, KLAR-ənts | English | ||
| Clarette | - | English (Rare) | ||
| Claribel | KLER-ə-bel, KLAR-ə-bel | English | ||
| Clarice | klə-REES | English | ||
| Clarinda | klə-RIN-də | English | ||
| Clarissa | klə-RIS-ə (English) | English, Italian, Portuguese, Spanish | ||
| Clarity | KLER-i-tee, KLAR-i-tee | English (Rare) |