| Name | Meaning | Gender | Origin |
|---|
| Chico | Boy | Male | Spanish |
| Chief | One in highest rank or authority. | Unisex | English |
| Chip | Free man | Male | German |
| Clancy | Red | Male | Gaelic |
| Clarence | Of Clare | Male | English |
| Coco | A Pet Name. | Unisex | French |
| Cocoa | Cocoa Jumbo | Unisex | English |
| Codie | Descendant of Cuidighthigh | Male | Gaelic |
| Cody | Descendant of Cuidighthigh | Male | Gaelic |
| Colby | Coalworker | Male | English |
| Cooper | Barrel maker | Male | English |
| Copper | A reddish brown metal - as in copper penny coins. Also slang for a police officer. | Unisex | English |
| Corona | Crown | Unisex | Latin |
| Crackers | | Unisex | Hebrew |
| Crimson | Crimson, red | Unisex | English |
| Cuddles | To nestle or snuggle. | Unisex | English |
| Cupcake | Small cake baked in a cup shaped container | Unisex | English |
| Cupid | Desire | Unisex | Latin |
| Curt | Short | Male | English |
| Cutie | A cute character. | Unisex | English |
| Damon | To tame | Male | Greek |
| Dan | Arbiter | Male | Hebrew |
| Danny | God is my judge | Male | Hebrew |
| Dante | Enduring, obstinate | Male | Latin |
| Dash | From Chiel | Male | French |
| Dasher | | Unisex | Hebrew |
| Deuce | | Unisex | Hebrew |
| Dexter | Dyer of cloth | Male | English |
| Dijon | God is gracious | Male | Hebrew |
| Dillon | Like A Lion. | Male | Welsh |