| Name | Meaning | Gender | Origin |
|---|
| Coda | Passage at the end of a composition that brings it to a close. | Unisex | English |
| Coke | Short for the most famous brand of soft drink, Coca-Cola. | Unisex | English |
| Comet | A celestial body | Unisex | English |
| Corky | Variant Of Corey Hill Hollow. | Unisex | English |
| Cotton | Woody hill | Unisex | Welsh |
| Cricket | A leaping insect | Unisex | English |
| Cuddles | To nestle or snuggle. | Unisex | English |
| Cujo | | Unisex | Hebrew |
| Cupcake | Small cake baked in a cup shaped container | Unisex | English |
| Cutie | A cute character. | Unisex | English |
| Dahlia | Dweller in the valley | Female | English |
| Daisy | Day's eye | Female | English |
| Dame | Lady | Female | German |
| Danger | | Unisex | Hebrew |
| Darby | Deer settlement | Female | Norse |
| Dasher | | Unisex | Hebrew |
| Davina | Beloved | Female | Hebrew |
| Davinci | After Leonardo Da Vinci | Unisex | English |
| Delaney | From the alder grove | Female | English |
| Desi | Longed for | Unisex | Latin |
| Deuce | | Unisex | Hebrew |
| Devin | Descendant of Damhán | Female | Gaelic |
| Devyn | Descendant of Damhán | Female | Gaelic |
| Diana | Divine | Female | Latin |
| Didrika | Ruler of the people | Female | Germanic |
| Dierdre | Sorrowful | Female | English |
| Dinky | Dog on National Lampoon's Vacation | Unisex | English |
| Dipstick | | Unisex | Hebrew |
| Dolly | Gift of god | Female | Greek |
| Drew | Man, warrior | Female | Greek |