| Name | Meaning | Gender | Origin |
|---|
| Coffee | | Unisex | Hebrew |
| Colour | | Unisex | Hebrew |
| Cookie | A small flat, crisp cake | Unisex | English |
| Copernicus | | Unisex | Hebrew |
| Corky | Variant Of Corey Hill Hollow. | Unisex | English |
| Coy | Quiet person | Unisex | English |
| Crackers | | Unisex | Hebrew |
| Cricket | A leaping insect | Unisex | English |
| Cupcake | Small cake baked in a cup shaped container | Unisex | English |
| Cutie | A cute character. | Unisex | English |
| Cyclops | One eyed monster | Unisex | English |
| Da | | Unisex | Hebrew |
| Dag | Day | Male | Norse |
| Dallas | Meadow stance | Male | Gaelic |
| Dandelion | A yellow rosette shaped flower. | Unisex | English |
| Dandy | An elegant man. | Unisex | English |
| Danny | God is my judge | Male | Hebrew |
| Dante | Enduring, obstinate | Male | Latin |
| Dash | From Chiel | Male | French |
| Dementia | | Unisex | Hebrew |
| Dewey | Place-Name And Surname: Welsh Form Of David. | Male | English |
| Dexter | Dyer of cloth | Male | English |
| Diesel | | Unisex | Hebrew |
| Digger | One that digs. | Unisex | English |
| Dinky | Dog on National Lampoon's Vacation | Unisex | English |
| Dino | From The Dene | Male | Italian |
| Dixie | Strong power | Male | English |
| Doc | Short for doctor | Unisex | English |
| Doctor | Someone of the medical profession | Male | English |
| Dog | Domesticated carnivorous mammal. Dogs exhibit enormous genetic variety with over 2 different breed types. Man's best friend. | Unisex | English |