| Name | Meaning | Gender | Origin |
|---|
| Cashew | A kidney shaped nut. | Unisex | English |
| Checkers | | Unisex | Hebrew |
| Cheese | | Unisex | Hebrew |
| Chili | | Unisex | Hebrew |
| Chocolate | Product of cocoa seeds used for drinks or candy | Unisex | English |
| Chowder | | Unisex | Hebrew |
| Cilla | Ancient | Unisex | Latin |
| Cinder | | Unisex | Hebrew |
| Cinnabar | Mercuric sulphide | Unisex | English |
| Cloud | Cloud | Unisex | English |
| Cloudy | | Unisex | Hebrew |
| Clove | Spice | Unisex | German |
| Coby | Supplanter | Unisex | Hebrew |
| Coco | A Pet Name. | Unisex | French |
| Cocoa | Cocoa Jumbo | Unisex | English |
| Coconut | Edible white flesh of the coconut palm tree. | Unisex | English |
| Coffee | | Unisex | Hebrew |
| Coke | Short for the most famous brand of soft drink, Coca-Cola. | Unisex | English |
| Cola | Charcoal | Unisex | English |
| Copper | A reddish brown metal - as in copper penny coins. Also slang for a police officer. | Unisex | English |
| Corrie | Maiden | Unisex | Greek |
| Cotton | Woody hill | Unisex | Welsh |
| Cricket | A leaping insect | Unisex | English |
| Crimson | Crimson, red | Unisex | English |
| Daffodil | The asphodel | Unisex | Dutch |
| Dandelion | A yellow rosette shaped flower. | Unisex | English |
| Demon | Demon | Unisex | Greek |
| Diablo | The Devil | Unisex | English |
| Domino | Small, rectangular black and white blocks used in the game of dominos. | Unisex | English |
| Dunne | Brown | Unisex | English |