| Name | Meaning | Gender | Origin |
|---|
| Buttercup | A bright yellow flowered plant. Also a term of endearment. | Unisex | English |
| Butters | After the character in the South Park cartoons | Unisex | English |
| Buttons | | Unisex | Hebrew |
| Cairo | Victorious one | Unisex | Arabic |
| Cameo | Delicate,carved relief | Unisex | English |
| Capone | | Unisex | Hebrew |
| Captain | A captain | Unisex | English |
| Cash | Cash | Unisex | English |
| Castor | Beaver | Unisex | Greek |
| Cera | From seraphim, meaning fiery ones. | Unisex | Latin |
| Chalupa | | Unisex | Hebrew |
| Chaos | Gaping void | Unisex | Greek |
| Charlie | Free man | Unisex | Germanic |
| Cheese | | Unisex | Hebrew |
| Chewie | | Unisex | Hebrew |
| Cinder | | Unisex | Hebrew |
| Cletus | Pray | Unisex | Greek |
| Coco | A Pet Name. | Unisex | French |
| Cookie | A small flat, crisp cake | Unisex | English |
| Corona | Crown | Unisex | Latin |
| Crash | To smash into things, to break or dash to pieces. To join a party without invitation. | Unisex | English |
| Crimson | Crimson, red | Unisex | English |
| Critter | | Unisex | Hebrew |
| Cuddles | To nestle or snuggle. | Unisex | English |
| Cujo | | Unisex | Hebrew |
| Cupcake | Small cake baked in a cup shaped container | Unisex | English |
| Cupid | Desire | Unisex | Latin |
| Danger | | Unisex | Hebrew |
| Davinci | After Leonardo Da Vinci | Unisex | English |
| Demon | Demon | Unisex | Greek |