| Clémence | Woman | French Names |
| Clemency | Unisex | English Names |
| Clemens | Man | Latin Names |
| Clement | Man | English Names |
| Clemente | Man | Spanish Names |
| Clementia | Woman | Greek Names |
| Clementina | Woman | English Names |
| Clementine | Woman | English Names |
| Cleo | Woman | Greek Names |
| Cleodora | Woman | Greek Names |
| Cleon | Man | Greek Names |
| Cleopatra | Woman | Greek Names |
| Cleta | Woman | American Names |
| Cleveland | Man | English Names |
| Clever | Unisex | American Names |
| Cliantha | Woman | Greek Names |
| Clidhna | Woman | Irish Names |
| Cliff | Man | English Names |
| Cliffanie | Woman | American Names |
| Clifford | Man | English Names |