| Name | Meaning | Gender | Origin |
|---|
| Cale | Uncertain, perhaps slender | Male | Gaelic |
| Callie | Most beautiful | Female | Greek |
| Candy | Honest | Female | Latin |
| Captain | A captain | Unisex | English |
| Carla | Man | Female | German |
| Carmen | Garden | Female | Hebrew |
| Casper | Treasurer | Male | Persian |
| Cassie | She who entangles men | Female | Greek |
| Chance | Good fortune | Male | English |
| Chaos | Gaping void | Unisex | Greek |
| Charlie | Free man | Unisex | Germanic |
| Charlotte | Free man | Female | Germanic |
| Chelsea | Chalk landing place | Female | English |
| Chevy | Knight | Unisex | French |
| Chief | One in highest rank or authority. | Unisex | English |
| Chip | Free man | Male | German |
| Cho | Butterfy | Female | English |
| Chocolate | Product of cocoa seeds used for drinks or candy | Unisex | English |
| Chubby | Rounded and plump | Unisex | English |
| Chunky | Short, thick and stocky. Also means containing small pieces like chunky soup or stew. | Unisex | English |
| Cleo | Of a well known father | Female | Greek |
| Coco | A Pet Name. | Unisex | French |
| Cocoa | Cocoa Jumbo | Unisex | English |
| Cody | Descendant of Cuidighthigh | Male | Gaelic |
| Colette | Victory of the people | Female | Greek |
| Colt | Young male horse | Male | English |
| Cookie | A small flat, crisp cake | Unisex | English |
| Corey | God's peace | Male | Germanic |
| Crush | | Unisex | Hebrew |
| Crusher | | Unisex | Hebrew |