| Name | Meaning | Gender | Origin |
|---|
| Domino | Small, rectangular black and white blocks used in the game of dominos. | Male | Latin |
| Draco | Dragon | Male | Italian |
| Dracula | | Unisex | Hebrew |
| Dragon | Dragon, Fire Breathing Creature | Unisex | English |
| Drake | A male duck. | Male | English |
| Dugan | to be worthy | Male | Irish |
| Duncan | Dark complexioned warrior. | Male | Scottish |
| Dusk | | Unisex | Hebrew |
| Dusty | Covered with dust, tinged with grey | Unisex | |
| Eclipse | | Unisex | Hebrew |
| Eight Ball | | Unisex | Hebrew |
| Enigma | | Unisex | Hebrew |
| Enzo | Rules his household. Variant of Henry.
| Male | Italian |
| Espresso | | Unisex | Hebrew |
| Evil | | Unisex | Hebrew |
| Felix | Lucky
| Male | Latin |
| Flash | To move rapidly. | Male | Word |
| Flint | born near outcrop of flint | Male | English |
| Fluffy | Covered with fluff, Soft, light and airy. | Unisex | |
| Forest | out of the woods | Male | |
| Freddy | Variant of Frederick peaceful ruler.)
| Male | English |
| Friday | | Male | Hebrew |
| Frosty | Covered with white frost. Cold in manner | Male | |
| Fudge | A soft, rich candy | Male | |
| Gargoyle | | Unisex | Hebrew |