| Name | Meaning | Gender | Origin |
|---|
| Cheetos | | Unisex | Hebrew |
| Chocolate | Product of cocoa seeds used for drinks or candy | Male | |
| Christine | anointed | Female | |
| Chucky | Man | Unisex | English |
| Ciel | from heaven | Female | |
| Cilla | after the singer Cilla Black | Female | English |
| Cinder | | Unisex | Hebrew |
| Circe | witch-goddess, seductive | Female | Greek |
| Clarice | Latin, bright, clear | Female | English |
| Claudia | Feminine of Claude.
| Female | Latin |
| Cleo | From Cleopatra - Her father's glory | Female | Greek |
| Cleo | From Cleopatra - Her father's glory | Female | Greek |
| Coal | | Male | Hebrew |
| Cobweb | | Unisex | Hebrew |
| Coco | A pet name.
| Female | Spanish |
| Coco | A pet name.
| Female | Spanish |
| Coco | A pet name.
| Female | Spanish |
| Cole | coal, victory of the people | Male | English |
| Connor | lover of hounds | Male | Irish |
| Cosmic | | Unisex | Hebrew |
| Crimson | A deep of vivid red colour. | Female | Color |
| Crow | | Male | Hebrew |
| Crowley | Hunch-Backed | Unisex | Irish |
| Cruella | | Unisex | Hebrew |
| Cruz | cross | Male | Spanish |