| Name | Meaning | Gender | Origin |
|---|
| Chili | | Unisex | Hebrew |
| Chilli | Hot peppers | Unisex | English |
| Chomper | | Unisex | Hebrew |
| Chopper | Slang for helicopter. One who chops or cuts. | Unisex | English |
| Chubby | Rounded and plump | Unisex | English |
| Chunky | Short, thick and stocky. Also means containing small pieces like chunky soup or stew. | Unisex | English |
| Cinnamon | A spice | Female | Greek |
| Cloe | Variant Of Chloe. | Unisex | English |
| Cola | Charcoal | Unisex | English |
| Collin | Dove | Male | Gaelic |
| Comet | A celestial body | Unisex | English |
| Copernicus | | Unisex | Hebrew |
| Copper | A reddish brown metal - as in copper penny coins. Also slang for a police officer. | Unisex | English |
| Cotton | Woody hill | Unisex | Welsh |
| Cricket | A leaping insect | Unisex | English |
| Critter | | Unisex | Hebrew |
| Crusher | | Unisex | Hebrew |
| Cujo | | Unisex | Hebrew |
| Curly | Having curls or wavy hair. | Unisex | English |
| Daffodil | The asphodel | Unisex | Dutch |
| Daisy | Day's eye | Female | English |
| Demon | Demon | Unisex | Greek |
| Dewey | Place-Name And Surname: Welsh Form Of David. | Male | English |
| Diesel | | Unisex | Hebrew |
| Digger | One that digs. | Unisex | English |
| Doodles | | Unisex | Hebrew |
| Doogle | | Unisex | Hebrew |
| Dozer | One who sleeps lightly | Unisex | English |
| Duchess | From the AristoCats | Unisex | English |
| Dude | | Unisex | Hebrew |