| Name | Meaning | Gender | Origin |
|---|
| Cajun | | Male | Hebrew |
| Calliope | beautiful voice | Female | Greek |
| Calloway | pebbly place | Male | Irish |
| Calypso | Greek for concealor. A type of music originating in the West Indies. Also a satellite of Saturn. | Male | Greek |
| Camillo | Young Ceremonial Attendant | Unisex | Italian |
| Campbell | beautiful field | Female | Scottish |
| Capo | | Unisex | Hebrew |
| Caprice | fanciful, unpredictable | Female | |
| Carlos | free man | Male | Spanish |
| Carly | Little and womanly. Alternate Spelling: Carlie.
| Female | Feminine |
| Carmen | garden, field of fruit, song. One who has a beautiful voice. | Female | Spanish |
| Carrie | Abbreviation of Carol and Caroline from the masculine Charles meaning manly
| Female | English |
| Carter | cart driver | Male | English |
| Caruso | | Male | Hebrew |
| Cash | hollow | Male | Word |
| Cassidy | Clever: Curly-headed.
| Female | Irish |
| Cat | pure | Female | English |
| Cat | pure | Female | English |
| Cece | blind one | Female | Short |
| Cece | blind one | Female | Short |
| Cece | blind one | Female | Short |
| Cecilia | blind one | Female | Latin |
| Celine | after Celine Dion | Female | |
| Cello | | Male | Hebrew |
| Chacha | Strong | Unisex | African |