| Name | Meaning | Gender | Origin |
|---|
| Carla | Manly | Female | Italian |
| Carli | Manly | Unisex | English |
| Caroline | strong, melody, song | Female | |
| Cassie | Abbreviation of Cassandra. Unheeded prophetess. In Homer's The Iliad Cassandra's prediction of the fall of Troy was unheeded.
| Female | English |
| Cat | pure | Female | English |
| Cat | pure | Female | English |
| Charlotte | petite and femininewoman, feminine of Charles | Female | |
| Charmaine | a singer | Female | Latin |
| Chec | | Unisex | Hebrew |
| Cheryl | beloved, dear | Female | Modern |
| Christie | a Christian | Female | English |
| Christina | anointed | Female | Greek |
| Cindy | Abbreviation of Cynthia and Lucinda.
| Female | English |
| Claudia | Feminine of Claude.
| Female | Latin |
| Clio | praise, muse of history | Female | Greek |
| Coco | A pet name.
| Female | Spanish |
| Coco | A pet name.
| Female | Spanish |
| Coco | A pet name.
| Female | Spanish |
| Corinne | maiden | Female | |
| Costello | | Unisex | Hebrew |
| Cris | Anointed, Follower Of Christ | Unisex | English |
| Crystal | Variant of Christiana. Follower of Christ.
| Female | |
| Crystal | Variant of Christiana. Follower of Christ.
| Female | |
| Cunningham | From Cunningham | Unisex | Scottish |
| Danielle | God is my judge
| Female | Hebrew |