| Bessarion | | - | Late Greek | |
| Bethania | | - | Spanish, Biblical Latin, Biblical Greek | |
| Bion | | - | Ancient Greek | |
| Boos | | - | Biblical Greek | |
| Briseis | | - | Greek Mythology | |
| Brontes | | - | Greek Mythology | |
| Cadmus | | - | Greek Mythology (Latinized) | |
| Callias | | - | Ancient Greek (Latinized) | |
| Calliope | | kə-LIE-ə-pee (English) | Greek Mythology (Latinized) | |
| Callisto (2) | | kə-LIS-to (English) | Greek Mythology (Latinized) | |
| Calypso | | kə-LIP-so (English) | Greek Mythology (Latinized) | |
| Carme (2) | | - | Greek Mythology (Latinized) | |
| Cassander | | - | Ancient Greek (Latinized) | |
| Cassandra | | kə-SAN-drə (English), kə-SAHN-drə (English), kahs-SAHN-drah (Italian) | English, Spanish, Portuguese, Italian, French, German, Greek Mythology (Latinized) | |
| Cassiopea | | ka-see-ə-PEE-ə (English) | Greek Mythology (Latinized) | |