| Name | Meaning | Gender | Origin |
|---|
| Coco | A Pet Name. | Unisex | French |
| Coconut | Edible white flesh of the coconut palm tree. | Unisex | English |
| Coda | Passage at the end of a composition that brings it to a close. | Unisex | English |
| Cody | Descendant of Cuidighthigh | Male | Gaelic |
| Cole | Coal | Male | English |
| Colin | Dove | Male | Gaelic |
| Comet | A celestial body | Unisex | English |
| Connor | Lover of hounds | Male | Gaelic |
| Coral | Coral | Female | English |
| Corrie | Maiden | Unisex | Greek |
| Cotton | Woody hill | Unisex | Welsh |
| Cottontail | | Unisex | Hebrew |
| Crackers | | Unisex | Hebrew |
| Creampuff | | Unisex | Hebrew |
| Crescent | Growing | Female | Latin |
| Crystal | Crystal | Female | English |
| Cupcake | Small cake baked in a cup shaped container | Unisex | English |
| Curran | Surname. | Male | English |
| Cutie | A cute character. | Unisex | English |
| Daffodil | The asphodel | Unisex | Dutch |
| Daisy | Day's eye | Female | English |
| Dandelion | A yellow rosette shaped flower. | Unisex | English |
| Dani | God is my judge | Female | Hebrew |
| Dartagnan | The Three Musketeers By Dumas Was Based On The Real D'artagnan's Memoirs. | Male | English |
| Dawn | Sunrise, daybreak | Female | English |
| Dazzle | | Unisex | Hebrew |
| Delphina | Woman from Delphi | Female | Latin |
| Denali | The great one | Female | Native American |
| Dennis | God of wine | Male | Greek |
| Dewitt | The white one | Male | Dutch |