| Name | Meaning | Gender | Origin |
|---|
| Chewy | Needing chewing. | Unisex | |
| Chi | Tree Branch | Unisex | Vietnamese |
| Chip | Fried slice of potato. Small piece of candy e.g. chocolate chip. | Male | |
| Chris | one who carries Christ | Male | English |
| Christopher | Christ-bearer | Male | Greek |
| Chuck | a man: variant of Carl.
| Male | English |
| Cid | Contraction Of St. Denis | Unisex | English |
| Cisco | Frenchman or free man | Male | English |
| Clarence | bright | Male | Latin |
| Clark | cleric, scholar | Male | English |
| Clay | adhere, mortal | Male | English |
| Clifford | Lives by the ford near the cliff
| Male | English |
| Clive | Cliff Dweller | Male | English |
| Cloud | | Male | Hebrew |
| Colin | Strong and virile; victorious army; youth, child, victor | Male | English |
| Conrad | brave counsel | Male | |
| Cooper | Barrel maker | Male | English |
| Corbin | from the movie The Fifth Element | Male | Latin |
| Cornelius | horn | Male | Latin |
| Cosmo | Order, universe.
| Male | Italian |
| Crash | To smash into things, to break or dash to pieces. To join a party without invitation. | Unisex | |
| Crick | | Unisex | Hebrew |
| Cujo | | Unisex | Hebrew |
| Curtis | courteous, polite | Male | |
| Da Vinci | | Unisex | Hebrew |