| Name | Meaning | Gender | Origin |
|---|
| Cali | Most beautiful
| Female | English |
| Callas | | Unisex | Hebrew |
| Callie | Lark
| Female | Greek |
| Calliope | beautiful voice | Female | Greek |
| Camilla | young ceremonial attendant | Female | Latin |
| Cassandra | prophet of doom | Female | Greek |
| Cassie | Abbreviation of Cassandra. Unheeded prophetess. In Homer's The Iliad Cassandra's prediction of the fall of Troy was unheeded.
| Female | English |
| Catherine | pure | Female | Greek |
| Cecile | blind | Female | |
| Celina | Heavenly | Unisex | English |
| Celine | after Celine Dion | Female | |
| Ceres | Mythical God Of The Harvest | Female | Latin |
| Chante | Singer;To Sing | Unisex | French |
| Charlene | Small Beauty | Female | English |
| Charlotte | petite and femininewoman, feminine of Charles | Female | |
| Chat | | Unisex | Hebrew |
| Cherry | Various trees that produce red to black fruit. | Female | Fruit |
| Chloe | Fresh young blossom, Greek for blooming | Female | Greek |
| Christina | anointed | Female | Greek |
| Christine | anointed | Female | |
| Cindy | Abbreviation of Cynthia and Lucinda.
| Female | English |
| Clarissa | bright, clear | Female | Latinized |
| Clarisse | Clear, Illuminated | Unisex | French |
| Claudine | Feminine of Claude.
| Female | |
| Clementine | mild, merciful | Female | |