| Name | Meaning | Gender | Origin |
|---|
| Calida | Ardent
| Female | Spanish |
| Calypso | Greek for concealor. A type of music originating in the West Indies. Also a satellite of Saturn. | Male | Greek |
| Cappuccino | | Unisex | Hebrew |
| Cappuccino | | Unisex | Hebrew |
| Catnip | | Male | Hebrew |
| Cayenne | Red ground spice from several varieties of capsicum | Female | Word |
| Chaos | Kay-oss | Male | |
| Chase | hunter, To follow or go in pursuit | Male | |
| Chee-Chee | | Unisex | Hebrew |
| Cheetah | | Unisex | Hebrew |
| Chili | | Male | Hebrew |
| Chris | one who carries Christ | Male | English |
| Clancy | offspring of red-headed soldier | Male | Irish |
| Clio | praise, muse of history | Female | Greek |
| Cocaine | | Unisex | Hebrew |
| Coconut | Edible white flesh of the coconut palm tree. | Unisex | |
| Corky | Lively, buoyant. | Unisex | |
| Cracker | | Unisex | Hebrew |
| Crackers | | Unisex | Hebrew |
| Crash | To smash into things, to break or dash to pieces. To join a party without invitation. | Unisex | |
| Crockett | large curl | Male | English |
| Curious George | | Unisex | Hebrew |
| Cyclone | A violent rotating windstorm. | Unisex | |
| Dancer | | Male | Hebrew |
| DArt | | Male | Hebrew |