| Name | Meaning | Gender | Origin |
|---|
| Caspurr | | Unisex | Hebrew |
| Cassie | Abbreviation of Cassandra. Unheeded prophetess. In Homer's The Iliad Cassandra's prediction of the fall of Troy was unheeded.
| Female | English |
| Catzilla | | Unisex | Hebrew |
| Charcoal | A black carbon material produced from wood | Unisex | |
| Chelsea | river landing place, port | Female | |
| Chigger | | Unisex | Hebrew |
| Cho Chang | | Unisex | |
| Chrome | | Unisex | Hebrew |
| Cinder | | Unisex | Hebrew |
| Cinderella | little ash-girl | Female | |
| Cinders | | Unisex | Hebrew |
| Claudia | Feminine of Claude.
| Female | Latin |
| Clotilda | Heroine
| Female | |
| Cobweb | | Unisex | Hebrew |
| Columbine | Dove | Unisex | English |
| Comet | A celestial body | Female | Nature |
| Cookie | A small flat, crisp cake | Female | |
| Cyntia | Variant of Greek name Cynthia - one of the names of the mythological mood goddess Artemis referring to her birth on Mount Cynthus.
| Female | |
| Daffy Duck | | Unisex | Hebrew |
| Danita | Feminine variant of Daniel God will judge.
| Female | |
| Dazzle | | Female | Hebrew |
| Delaney | From the elder tree grove.
| Female | Irish |
| Devanna | Divine.
| Female | |
| Diablo | The Devil | Female | Spanish |
| Dianna | Divine. Mythological ancient Roman divinity Diana was noted for beauty and swiftness: often depicted as a huntress. Also Diana Princess of Wales.
| Female | |