| Name | Meaning | Gender | Origin |
|---|
| Calix | Greek for handsome one | Male | |
| Calvin | Bald | Male | Latin |
| Calypso | Greek for concealor. A type of music originating in the West Indies. Also a satellite of Saturn. | Male | Greek |
| Camelot | Arthur`S Castle | Unisex | Arthurian Legend |
| Camembert | | Unisex | Hebrew |
| Cameo | A carved gem portrait.
| Female | Word |
| Camille | young ceremonial attendant | Female | |
| Candy | Confectionery made with sugar. | Female | English |
| Caper | | Unisex | Hebrew |
| Capone | | Male | Hebrew |
| Captain | One who commands or leads others. Officer in command of ship, aircraft, police or fire station. | Male | |
| Caramba | | Unisex | Hebrew |
| Caramel | A smooth chewy candy | Unisex | |
| Carla | Manly | Female | Italian |
| Carlo | French from German, free man | Male | Italian |
| Carlos | free man | Male | Spanish |
| Carnation | Carnation Flower | Unisex | English |
| Carob | | Unisex | Hebrew |
| Casanova | A man who is gallantly attentive to women. | Male | |
| Cashmere | | Female | Hebrew |
| Cassidy | Clever: Curly-headed.
| Female | Irish |
| Cassiopeia | Clever | Female | Greek |
| Castor | pious one | Male | Greek |
| Cat | pure | Female | English |
| Cat | pure | Female | English |