| Name | Meaning | Gender | Origin |
|---|
| Cooter | | 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 |
| Corky | Lively, buoyant. | Unisex | |
| Cornflake | | Unisex | Hebrew |
| Cuddles | To nestle or snuggle. | Unisex | |
| Cujo | | Unisex | Hebrew |
| Cupcake | Small cake baked in a cup shaped container | Unisex | |
| Cutie | A cute character. | Female | |
| Daffy Duck | | Unisex | Hebrew |
| Daisy | Day's eye. A flower name.
| Female | |
| Daisy | Day's eye. A flower name.
| Female | |
| Death | | Unisex | Hebrew |
| Delilah | Desired. Languishing. The Biblical Delilah tempted Samson into revealing the secret of his superhuman strength.
| Female | Arabic |
| Dennis The Menace | | Unisex | Hebrew |
| Digger | One that digs. | Unisex | |
| Ding Dong | | Unisex | Hebrew |
| Dirty | | Unisex | |
| Dizzy | | Female | Hebrew |
| Doodle | To draw when bored or abstracted. | Unisex | |
| Doogle | | Unisex | Hebrew |
| Doozie | | Unisex | Hebrew |
| Dusk | | Unisex | Hebrew |
| Dusky | | Female | Hebrew |
| Dusty | Covered with dust, tinged with grey | Unisex | |