| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| 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) | ||
| Clark | KLAHRK | English | ||
| Claud | KLAWD | English | ||
| Claude | KLOD (French), KLAWD (English) | French, English | ||
| Claudia | KLAW-dee-ə (English), KLOW-dee-ah (German, Dutch), KLOW-dyah (Italian, Spanish, Romanian) | English, German, Dutch, Italian, Spanish, Romanian, Biblical, Ancient Roman | ||
| Clay | KLAY | English | ||
| Clayton | KLAY-tən | English | ||
| Clem | KLEM | English |