| Name | Meaning | Gender | Origin |
|---|
| Charlie | Free man | Unisex | Germanic |
| Checkers | | Unisex | Hebrew |
| Cherokee | People Of A Different Speech. One Of The Largest American Indian Tribes. | Unisex | English |
| Cheyenne | Speak incoherently | Female | American English |
| Chief | One in highest rank or authority. | Unisex | English |
| Chloe | Means | Female | English |
| Chubbs | Rounded and plump. | Unisex | English |
| Chum | | Unisex | Hebrew |
| Chunky | Short, thick and stocky. Also means containing small pieces like chunky soup or stew. | Unisex | English |
| Cleo | Of a well known father | Female | Greek |
| Coco | A Pet Name. | Unisex | French |
| Coda | Passage at the end of a composition that brings it to a close. | Unisex | English |
| Comet | A celestial body | Unisex | English |
| Cookie | A small flat, crisp cake | Unisex | English |
| Cougar | A large powerful American mountain cat | Unisex | English |
| Crackers | | Unisex | Hebrew |
| Cricket | A leaping insect | Unisex | English |
| Cristal | Crystal | Female | English |
| Critter | | Unisex | Hebrew |
| Crunch | | Unisex | Hebrew |
| Cujo | | Unisex | Hebrew |
| Cupid | Desire | Unisex | Latin |
| Curly | Having curls or wavy hair. | Unisex | English |
| Cyclone | A violent rotating windstorm. | Unisex | English |
| Daisy | Day's eye | Female | English |
| Dakota | The allies | Female | Native American |
| Danger | | Unisex | Hebrew |
| Delta | Fourth letter of the alphabet | Female | Greek |
| Denali | The great one | Female | Native American |
| Diablo | The Devil | Unisex | English |