| Name | Meaning | Gender | Origin |
|---|
| Demon | | Unisex | |
| Demon | | Unisex | |
| Denahi | | Unisex | Hebrew |
| Digger | One that digs. | Unisex | |
| Dijon | Faithful | Unisex | English |
| Dinky | dog on National Lampoon's Vacation | Unisex | |
| Dionysus | also Dionysos and Dionysis, Greek mythology: god of wine, also known as Bacchus | Unisex | |
| Ditty | | Unisex | Hebrew |
| Doc | | Unisex | Hebrew |
| Dodger | One that dodges or evades | Unisex | |
| Dodo | | Unisex | Hebrew |
| Doofus | | Unisex | Hebrew |
| Doom | | Unisex | Hebrew |
| Doug | From The Dark Water | Unisex | Scottish |
| Drifter | | Unisex | Hebrew |
| Droopy | | Unisex | Hebrew |
| Dumbo | | Unisex | Hebrew |
| Durian | | Unisex | Hebrew |
| Eris | Strife Goddess | Unisex | Greek |
| Ernie | From Ernest - Sincere and earnest | Unisex | |
| Eudora | Delightful Gift | Unisex | |
| Europa | | Unisex | Hebrew |
| Fairy | Fairy | Unisex | English |
| Fetch | To go after something and return with it. | Unisex | |
| Fiddle | | Unisex | Hebrew |