| Name | Meaning | Gender | Origin |
|---|
| Butters | after the character in the South Park cartoons | Unisex | |
| Button | | Unisex | Hebrew |
| Cadbury | Brand of chocolate | Unisex | |
| Cali | Most beautiful
| Female | English |
| Calli | California | Unisex | |
| Callie | Lark
| Female | Greek |
| Cally | Lark | Unisex | English |
| Candy | Confectionery made with sugar. | Female | English |
| Carmen | garden, field of fruit, song. One who has a beautiful voice. | Female | Spanish |
| Chanel | canal | Female | |
| Charlemagne | | Unisex | Hebrew |
| Charlotte | petite and femininewoman, feminine of Charles | Female | |
| Cheyenne | Native American tribe living in the North West of the USA. | Female | |
| Chipmunk | | Unisex | Hebrew |
| Chloe | Fresh young blossom, Greek for blooming | Female | Greek |
| Cinder | | Unisex | Hebrew |
| Cinnamon | | Female | Hebrew |
| Cleo | From Cleopatra - Her father's glory | Female | Greek |
| Cleo | From Cleopatra - Her father's glory | Female | Greek |
| Clover | Clover
| Female | |
| Coco | A pet name.
| Female | Spanish |
| Coco | A pet name.
| Female | Spanish |
| Coco | A pet name.
| Female | Spanish |
| Cocoa | cocoa Jumbo | Female | Color |
| Cookie | A small flat, crisp cake | Female | |