| Name | Meaning | Gender | Origin |
|---|
| Cocoa | Cocoa Jumbo | Unisex | English |
| Coffee | | Unisex | Hebrew |
| Cola | Charcoal | Unisex | English |
| Comet | A celestial body | Unisex | English |
| Cookie | A small flat, crisp cake | Unisex | English |
| Copernicus | | Unisex | Hebrew |
| Copper | A reddish brown metal - as in copper penny coins. Also slang for a police officer. | Unisex | English |
| Corky | Variant Of Corey Hill Hollow. | Unisex | English |
| Corona | Crown | Unisex | Latin |
| Crackers | | Unisex | Hebrew |
| Cricket | A leaping insect | Unisex | English |
| Crimson | Crimson, red | Unisex | English |
| Cuddles | To nestle or snuggle. | Unisex | English |
| Cupcake | Small cake baked in a cup shaped container | Unisex | English |
| Cupid | Desire | Unisex | Latin |
| Cyclone | A violent rotating windstorm. | Unisex | English |
| Cyclops | One eyed monster | Unisex | English |
| Daffodil | The asphodel | Unisex | Dutch |
| Dali | Grape vines | Unisex | Arabic |
| Darth | | Unisex | Hebrew |
| Davinci | After Leonardo Da Vinci | Unisex | English |
| Desi | Longed for | Unisex | Latin |
| Deuce | | Unisex | Hebrew |
| Diablo | The Devil | Unisex | English |
| Diamond | Precious gemstone | Unisex | English |
| Diesel | | Unisex | Hebrew |
| Digger | One that digs. | Unisex | English |
| Dior | Related To D'or Meaning Golden. | Unisex | English |
| Dog | Domesticated carnivorous mammal. Dogs exhibit enormous genetic variety with over 2 different breed types. Man's best friend. | Unisex | English |
| Domino | Small, rectangular black and white blocks used in the game of dominos. | Unisex | English |