| Name | Meaning | Gender | Origin |
|---|
| Cindy | Abbreviation of Cynthia and Lucinda.
| Female | English |
| Cisco | Frenchman or free man | Male | English |
| Claire | bright, clear | Female | |
| Clarence | bright | Male | Latin |
| Clark | cleric, scholar | Male | English |
| Claude | Lame.
| Male | |
| Claudia | Feminine of Claude.
| Female | Latin |
| Clay | adhere, mortal | Male | English |
| Clayton | place with good clay | Male | English |
| Clementine | mild, merciful | Female | |
| Clifford | Lives by the ford near the cliff
| Male | English |
| Clint | English, hilltop town | Male | English |
| Clive | Cliff Dweller | Male | English |
| Clover | Clover
| Female | |
| Clovis | clover | Male | Teutonic |
| Clyde | Nature name | Male | Scottish |
| Cody | Helpful.
| Male | English |
| Coke | Short for the most famous brand of soft drink, Coca-Cola. | Unisex | |
| Cole | coal, victory of the people | Male | English |
| Colt | From The Dark Town | Male | English |
| Connie | Constant, Firm | Male | English |
| Cooper | Barrel maker | Male | English |
| Corbin | from the movie The Fifth Element | Male | Latin |
| Cory | from the hollow | Male | Irish |
| Crystal | Variant of Christiana. Follower of Christ.
| Female | |