| Name | Meaning | Gender | Origin |
|---|
| Clara | Clear | Female | Latin |
| Clarissa | Clear | Female | Latin |
| Clay | Clay | Female | English |
| Clementine | Merciful, mild, gentle | Female | Latin |
| Cleo | Of a well known father | Female | Greek |
| Clover | Clover | Female | English |
| Coco | A Pet Name. | Unisex | French |
| Cocoa | Cocoa Jumbo | Unisex | English |
| Coda | Passage at the end of a composition that brings it to a close. | Unisex | English |
| Comet | A celestial body | Unisex | English |
| Cookie | A small flat, crisp cake | Unisex | English |
| Corky | Variant Of Corey Hill Hollow. | Unisex | English |
| Cricket | A leaping insect | Unisex | English |
| Cupid | Desire | Unisex | Latin |
| Daisy | Day's eye | Female | English |
| Dakota | The allies | Female | Native American |
| Darcy | From Arcy | Female | English |
| Darla | From The Old English Dearling: Darling. | Female | American English |
| Davida | Beloved | Female | Hebrew |
| Doc | Short for doctor | Unisex | English |
| Dodger | One that dodges or evades | Unisex | English |
| Dolly | Gift of god | Female | Greek |
| Donatello | Given [by God] | Unisex | Latin |
| Donna | Lady | Female | Italian |
| Dora | Gift | Female | Greek |
| Dottie | Gift of god | Unisex | Greek |
| Dozer | One who sleeps lightly | Unisex | English |
| Echo | Echo | Female | Greek |
| Edda | Uncertain, perhaps great-grandmother | Female | Norse |
| Elda | God knows | Female | Hebrew |