| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Clifford | KLIF-ərd | English | ||
| Clifton | KLIF-tən | English | ||
| Clint | KLINT | English | ||
| Clinton | KLIN-tən | English | ||
| Clitus | - | Ancient Greek (Latinized) | ||
| Clive | KLIEV | English | ||
| CloÉ | klo-E (French) | Portuguese, French | ||
| Clodovicus | - | Ancient Germanic (Latinized) | ||
| Cloelia | - | Ancient Roman | ||
| Cloelius | - | Ancient Roman | ||
| Clothilde | klo-TEELD | French | ||
| Clothildis | - | Ancient Germanic (Latinized) | ||
| Clotilda | klə-TIL-də | English | ||
| Clotilde | klo-TEELD (French) | French, Italian, Portuguese, Spanish | ||
| Clover | KLO-vər | English (Rare) |