| Charon | Man | Greek Names |
| Chione | Woman | Greek Names |
| Chiron | Man | Greek Names |
| Chloë | Woman | Greek Names |
| Chloris | Woman | Greek Names |
| Chris | Unisex | Greek Names |
| Christopher | Man | Greek Names |
| Christos | Man | Greek Names |
| Chroma | Woman | Greek Names |
| Chronos | Man | Greek Names |
| Chryseis | Woman | Greek Names |
| Chryses | Man | Greek Names |
| Cicada | Woman | Greek Names |
| Cindy | Woman | Greek Names |
| Circe | Woman | Greek Names |
| Cirila | Woman | Greek Names |
| Clea | Woman | Greek Names |
| Cleantha | Woman | Greek Names |
| Cleatus | Man | Greek Names |
| Clementia | Woman | Greek Names |