| Name | Gender | Meaning | Favorites |
| 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 | |
| Cyra | Girl | Moon | |
| Cyril | Boy | Lord-like | |
| Cyrus | Boy | The name of the founder of the Persian empire | |
| Cytheria | Girl | Goddess of Love | |
| Da Shin | Boy | Peaceful Heart | |
| Da-Xia | Girl | Long summer | |
