| Name | Meaning | Gender | Origin |
|---|
| Chester | fortress, walled town, | Male | Latin |
| Christian | annointed, follows Christ | Male | Greek |
| Cinderella | little ash-girl | Female | |
| Clara | bright, clear | Female | Latin |
| Clarice | Latin, bright, clear | Female | English |
| Clarissa | bright, clear | Female | Latinized |
| Clarisse | Clear, Illuminated | Unisex | French |
| Claudia | Feminine of Claude.
| Female | Latin |
| Claudine | Feminine of Claude.
| Female | |
| Clea | Praise, Acclaim | Female | Greek |
| Clifford | Lives by the ford near the cliff
| Male | English |
| Cody | Helpful.
| Male | English |
| Colin | Strong and virile; victorious army; youth, child, victor | Male | English |
| Columbine | Dove | Unisex | English |
| Conrad | brave counsel | Male | |
| Constance | steadfastness | Female | English |
| Cordelia | In Shakespeare's King Lear a woman of rare honesty.
| Female | Latin |
| Corinna | maiden | Female | Greek |
| Corinne | maiden | Female | |
| Cosette | little thing | Female | |
| Cressida | gold | Female | Greek |
| Crow | | Male | Hebrew |
| Cujo | | Unisex | Hebrew |
| Cymbeline | Shakespearean play, rhymes with thin - and - lean | Male | Celtic |
| Cyrano | from cyrene | Male | Greek |