| Cassiopea | | ka-see-ə-PEE-ə (English) | Greek Mythology (Latinized) | |
| Cassiopeia | | ka-see-ə-PEE-ə (English) | Greek Mythology (Latinized) | |
| Castor | | KAS-tər (English) | Greek Mythology (Latinized) | |
| Cephalus | | - | Greek Mythology (Latinized) | |
| Cepheus | | - | Greek Mythology (Latinized) | |
| Cerberus | | SUR-bə-rəs (English) | Greek Mythology (Latinized) | |
| Ceres | | - | Roman Mythology | |
| Cernunnos | | - | Celtic Mythology (Latinized) | |
| Chalchiuhticue | | - | Aztec And Toltec Mythology | |
| Charon | | - | Greek Mythology | |
| Chernobog | | - | Slavic Mythology | |
| Chi (2) | | - | Mythology, Western African, Igbo | |
| Chloe | | KLO-ee (English) | English, Biblical, Biblical Latin, Biblical Greek, Ancient Greek, Greek Mythology | |
| Chloris | | - | Greek Mythology | |
| Chryseis | | - | Greek Mythology | |