| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| CANAAN | - | Biblical | ||
| CANDELARIO | kahn-de-LAH-ryo | Spanish | ||
| CANDIDUS | - | Late Roman | ||
| CANUTE | kə-NOOT (English), kə-NYOOT (English) | History | ||
| CAOIMHÍN | KEE-veen, KWEE-vin | Irish | ||
| CAOLÁN | - | Irish | ||
| CAOMH | - | Ancient Irish | ||
| CAOMHÁN | - | Ancient Irish | ||
| CARADOC | - | Welsh | ||
| CARADOG | - | Welsh | ||
| CARATACOS | - | Ancient Celtic | ||
| CARATACUS | - | Ancient Celtic (Latinized) | ||
| CARBREY | KAHR-bree | Irish, Scottish | ||
| CARBRY | KAHR-bree | Irish, Scottish | ||
| Carl | [ka:l] |