| Name | Meaning | Gender | Origin |
|---|
| Clayton | place with good clay | Male | English |
| Cody | Helpful.
| Male | English |
| Cohen | priest | Male | Hebrew |
| Colby | coal town | Male | English |
| Colby | coal town | Male | English |
| Cole | coal, victory of the people | Male | English |
| Colin | Strong and virile; victorious army; youth, child, victor | Male | English |
| Colt | From The Dark Town | Male | English |
| Colten | Coal Town | Unisex | English |
| Conner | desire, wise aid, wolf-lover | Unisex | |
| Connor | lover of hounds | Male | Irish |
| Conrad | brave counsel | Male | |
| Cooper | Barrel maker | Male | English |
| Corbin | from the movie The Fifth Element | Male | Latin |
| Corey | raven, from the hollow | Male | Irish |
| Cory | from the hollow | Male | Irish |
| Crosby | dweller near the town crossing | Male | Irish |
| Cruz | cross | Male | Spanish |
| Curtis | courteous, polite | Male | |
| Cyrus | throne | Male | Persian |
| Dallas | Dwells by the waterfall
| Male | Place-name |
| Dalton | From the farm in the dale
| Male | English |
| Damian | Tame
| Male | Greek |
| Damien | Calm, Tame | Unisex | French |
| Damon | constant, day | Male | English |