| Name | Gender | Meaning | Favorites |
| Courtney | Girl | Royal Attendent | |
| Coy | Boy | Woods | |
| Coye | Girl | Woods | |
| Coyne | Boy | Modest | |
| Craig | Boy | From the crag, Rocky Hill | |
| Creda | Girl | Faith | |
| Creed | Boy | Belief | |
| Creedon | Boy | Belief | |
| Crescent | Girl | To grow | |
| Crespin | Boy | Curly haired | |
| Cristiano | Boy | Follower of Christ | |
| Cristina | Girl | Follower of Christ | |
| Cruz | Boy, Girl | Cross | |
| Crystal | Girl | Clear | |
| Cudabhiksuni | Girl | A buddhist goddess, Best among the ascetics | |
| Cullen | Boy | Handsome | |
| Curt | Boy | Courteous | |
| Cwen | Girl | Queen | |
| Cyndi | Girl | Derived from cynthia | |
| Cynthia | Girl | Moon goddess | |
