| Name | Meaning | Gender | Origin |
|---|
| Dandelion | A yellow rosette shaped flower. | Unisex | |
| Dandy | An elegant man. | Unisex | |
| Danny | God Is My Judge | Unisex | English |
| Data | | Unisex | Hebrew |
| Death | | Unisex | Hebrew |
| Desirae | Desirable | Unisex | English |
| Digger | One that digs. | Unisex | |
| Diminutive | | Unisex | |
| Dinky | dog on National Lampoon's Vacation | Unisex | |
| Dirty | | Unisex | |
| Doc | | Unisex | Hebrew |
| Dog | Domesticated carnivorous mammal. Dogs exhibit enormous genetic variety with over 2 different breed types. Man's best friend. | Unisex | |
| Doodles | | Unisex | Hebrew |
| Dotty | From Dorothy - Gift of God. Also covered in dots. Another meaning is amusingly eccentric or absurd. | Unisex | |
| Dozer | One who sleeps lightly | Unisex | |
| Dude | | Unisex | Hebrew |
| Dumpling | | Unisex | Hebrew |
| Dusk | | Unisex | Hebrew |
| Ebon | | Unisex | |
| Eclipse | | Unisex | Hebrew |
| Enigma | | Unisex | Hebrew |
| Epsilon | Greek Letter E | Unisex | |
| Ernie | From Ernest - Sincere and earnest | Unisex | |
| Esme | Beloved | Unisex | French |
| Eva | life | Unisex | |