| Cain | | KAYN (English) | Biblical, Biblical Latin | |
| Cainan | | KAY-nən (English), kay-IE-nən (English) | Biblical, Biblical Latin | |
| Candace | | KAN-dis (English), kan-DAY-see (English), KAN-də-see (English) | English, Biblical, Biblical Latin | |
| Carpus | | KAHR-pəs (English) | Biblical, Biblical Latin | |
| Cephas | | SEE-fəs (English) | Biblical, Biblical Latin | |
| Chaleb | | - | Biblical Latin, Biblical Greek | |
| Chloe | | KLO-ee (English) | English, Biblical, Biblical Latin, Biblical Greek, Ancient Greek, Greek Mythology | |
| Cleopas | | KLEE-ə-pəs (English) | Biblical, Biblical Latin | |
| Crescens | | - | Late Roman, Biblical Latin | |
| Cyrus | | SIE-rəs (English) | English, Biblical, Biblical Latin, Ancient Greek (Latinized) | |