| Name | Meaning | Gender | Origin |
|---|
| Capone | | Unisex | Hebrew |
| Captain | A captain | Unisex | English |
| Casey | From Cayce | Male | American English |
| Caspar | Treasurer | Male | Persian |
| Casper | Treasurer | Male | Persian |
| Cassidy | Curly | Male | Gaelic |
| Cassius | Empty | Male | Latin |
| Cecil | Blind | Male | Latin |
| Chance | Good fortune | Male | English |
| Charlie | Free man | Unisex | Germanic |
| Chase | Huntsman | Male | English |
| Checkers | | Unisex | Hebrew |
| Chester | Camp | Male | Latin |
| Chewy | Needing chewing. | Unisex | English |
| Chico | Boy | Male | Spanish |
| Chief | One in highest rank or authority. | Unisex | English |
| Chili | | Unisex | Hebrew |
| China | Qin's kingdom | Female | English |
| Chip | Free man | Male | German |
| Chipper | Lively spirits, cheerful. Chip off the old block. | Unisex | English |
| Chocolate | Product of cocoa seeds used for drinks or candy | Unisex | English |
| Chopper | Slang for helicopter. One who chops or cuts. | Unisex | English |
| Chubby | Rounded and plump | Unisex | English |
| Chunk | | Unisex | Hebrew |
| Clyde | Refers To The Scottish Clyde River. | Male | Gaelic |
| Coco | A Pet Name. | Unisex | French |
| Cocoa | Cocoa Jumbo | Unisex | English |
| Cody | Descendant of Cuidighthigh | Male | Gaelic |
| Colt | Young male horse | Male | English |
| Combat | | Unisex | Hebrew |