| Name | Meaning | Gender | Origin |
|---|
| Coffee | | Unisex | Hebrew |
| Coke | Short for the most famous brand of soft drink, Coca-Cola. | Unisex | English |
| Cola | Charcoal | Unisex | English |
| Colby | Coalworker | Male | English |
| Cole | Coal | Male | English |
| Cooper | Barrel maker | Male | English |
| Corbin | A steep hill | Male | Gaelic |
| Cosmo | Order | Male | Greek |
| Crimson | Crimson, red | Unisex | English |
| Cupcake | Small cake baked in a cup shaped container | Unisex | English |
| Cupid | Desire | Unisex | Latin |
| Cyrus | Sun | Male | Persian |
| Damien | To tame | Male | Greek |
| Daniel | God is my judge | Male | Hebrew |
| Dante | Enduring, obstinate | Male | Latin |
| Darius | Maintain well | Male | Persian |
| Dartagnan | The Three Musketeers By Dumas Was Based On The Real D'artagnan's Memoirs. | Male | English |
| Darth | | Unisex | Hebrew |
| Delano | From The Elder Tree Grove. | Male | French |
| Demon | Demon | Unisex | Greek |
| Dice | Myth Name (Justice) | Unisex | English |
| Diesel | | Unisex | Hebrew |
| Dimitri | Earth mother | Male | Greek |
| Dixie | Strong power | Male | English |
| Dj | | Unisex | Hebrew |
| Dolan | Descendant of Dubhshlán | Male | Gaelic |
| Dolph | Famous wolf | Male | Germanic |
| Domino | Small, rectangular black and white blocks used in the game of dominos. | Unisex | English |
| Dorjan | Dark Man | Male | Hungarian |
| Dottie | Gift of god | Unisex | Greek |