| Name | Meaning | Gender | Origin |
|---|
| Carson | Son of Carr
| Male | Irish |
| Casey | brave, watchful | Male | Irish |
| Cash | hollow | Male | Word |
| Cassidy | Clever: Curly-headed.
| Female | Irish |
| Chandler | candle maker | Male | |
| Charity | Affection, Charity, Brotherly Love | Female | Latin |
| Charlotte | petite and femininewoman, feminine of Charles | Female | |
| Chastity | Chaste, Pure | Female | English |
| Chauncey | chancellor | Male | Latin |
| Cherry | Various trees that produce red to black fruit. | Female | Fruit |
| Chester | fortress, walled town, | Male | Latin |
| Chewy | Needing chewing. | Unisex | |
| Cheyenne | Native American tribe living in the North West of the USA. | Female | |
| Chucky | Man | Unisex | English |
| Cindy | Abbreviation of Cynthia and Lucinda.
| Female | English |
| Clarice | Latin, bright, clear | Female | English |
| Claudette | Feminine of Claude.
| Female | |
| Claudine | Feminine of Claude.
| Female | |
| Cliff | From Clifford - From the ford by the cliff. | Unisex | |
| Clifton | place on a cliff | Male | English |
| Clint | English, hilltop town | Male | English |
| Clyde | Nature name | Male | Scottish |
| Cody | Helpful.
| Male | English |
| Cole | coal, victory of the people | Male | English |
| Colette | victory of the people | Female | |