| Name | Meaning | Gender | Origin |
|---|
| Cognac | Type of French brandy. | Unisex | |
| Cookies | | Unisex | Hebrew |
| Copper | A reddish brown metal - as in copper penny coins. Also slang for a police officer. | Female | Word |
| Copper | A reddish brown metal - as in copper penny coins. Also slang for a police officer. | Female | Word |
| Coral | Greek for small stone. Sincere or from the sea. Marine animal whose skeletons form coral reefs. | Female | Nature |
| Cornbread | | Unisex | Hebrew |
| Corona | Brand of Mexican beer | Female | Spanish |
| Couscous | | Unisex | Hebrew |
| Crackers | | Unisex | Hebrew |
| Cressida | gold | Female | Greek |
| Cricket | A leaping insect | Female | Nature |
| Crimson | A deep of vivid red colour. | Female | Color |
| Crouton | | Unisex | Hebrew |
| Cuervo | Brand of Mexican tequila | Unisex | |
| Custard | A dessert made from milk and eggs, creamy yellow in appearance. | Unisex | |
| Daffodil | | Female | |
| Daisy | Day's eye. A flower name.
| Female | |
| Daisy | Day's eye. A flower name.
| Female | |
| Dana Scully | | Unisex | Hebrew |
| Dandelion | A yellow rosette shaped flower. | Unisex | |
| Dandy | An elegant man. | Unisex | |
| Dandy Lion | | Unisex | Hebrew |
| Dawn | Early riser
| Female | Word |
| Dazzle | | Female | Hebrew |
| Diamond | In The Rough | Female | |