| Name | Meaning | Gender | Origin |
|---|
| Coco | A Pet Name. | Unisex | French |
| Cocoa | Cocoa Jumbo | Unisex | English |
| Cody | Descendant of Cuidighthigh | Male | Gaelic |
| Coffee | | Unisex | Hebrew |
| Cola | Charcoal | Unisex | English |
| Cole | Coal | Male | English |
| Coleman | Dove | Male | Gaelic |
| Colt | Young male horse | Male | 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 |
| Coran | Cresent Moon | Male | Irish |
| Corky | Variant Of Corey Hill Hollow. | Unisex | English |
| Cornelius | Horn | Male | Latin |
| Corona | Crown | Unisex | Latin |
| Cosmo | Order | Male | Greek |
| Coty | Riverbank | Male | French |
| Crackers | | Unisex | Hebrew |
| Cricket | A leaping insect | Unisex | English |
| Crimson | Crimson, red | Unisex | English |
| Cruz | Cross | Male | Spanish |
| 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 |
| Cyrus | Sun | Male | Persian |
| Daffodil | The asphodel | Unisex | Dutch |
| Dali | Grape vines | Unisex | Arabic |