| Name | Meaning | Gender | Origin |
|---|
| Casey | From Cayce | Male | American English |
| Cassidy | Curly | Male | Gaelic |
| Cerise | Cherry | Female | French |
| Channing | Knowing | Male | English |
| Charlie | Free man | Unisex | Germanic |
| Chauncey | Chancellor: Fortune: A Gamble. | Male | English |
| Cheri | Dear one | Female | French |
| Chester | Camp | Male | Latin |
| Chica | Pet Name Meaning Little Girl. | Unisex | English |
| Chichi | Loving | Unisex | Korean |
| Chico | Boy | Male | Spanish |
| Chipper | Lively spirits, cheerful. Chip off the old block. | Unisex | English |
| Chloe | Means | Female | English |
| Cinder | | Unisex | Hebrew |
| Clay | Clay | Female | English |
| Clyde | Refers To The Scottish Clyde River. | Male | Gaelic |
| Coco | A Pet Name. | Unisex | French |
| Cody | Descendant of Cuidighthigh | Male | Gaelic |
| Comet | A celestial body | Unisex | English |
| Cookie | A small flat, crisp cake | Unisex | English |
| Cooper | Barrel maker | Male | English |
| Corbin | A steep hill | Male | Gaelic |
| Cormac | Son of raven | Male | Gaelic |
| Cricket | A leaping insect | Unisex | English |
| Cubby | | Unisex | Hebrew |
| Cuddles | To nestle or snuggle. | Unisex | English |
| Cutie | A cute character. | Unisex | English |
| Daisy | Day's eye | Female | English |
| Dane | Honorable | Male | English |
| Demi | Earth mother | Female | Greek |