| Name | Meaning | Gender | Origin |
|---|
| Darth Vader | | Male | Hebrew |
| Dash | To move with haste, to rush. Punctuation. Long sound in Morse code. | Male | English |
| Data | | Unisex | Hebrew |
| Dawn | Early riser
| Female | Word |
| Death | | Unisex | Hebrew |
| Della | German, noble | Female | English |
| Delta | Mouth Of A River | Female | Greek |
| Demeter | earth mother | Female | Greek |
| Demi | half, small | Female | Greek |
| Desirae | Desirable | Unisex | English |
| Devon | defender | Male | English |
| Dewey | Diminutive of Dafydd, Welsh variation of David | Male | Anglicized |
| Dexter | dyer, right-handed | Male | Latin |
| Diesel | | Male | Hebrew |
| Diesel | | Male | Hebrew |
| Digger | One that digs. | Unisex | |
| Diminutive | | Unisex | |
| Dinky | dog on National Lampoon's Vacation | Unisex | |
| Dino | From The Dene | Male | English |
| Dirty | | Unisex | |
| Dixie | Abbreviation of Richard. In the USA Dixie refers to the French word for ten: also to the southern states below the Mason- Dixon line.
| Female | Latin |
| Doc | | Unisex | Hebrew |
| Doctor | A person licensed in the healing arts, especially physicians. | Male | Word |
| Dog | Domesticated carnivorous mammal. Dogs exhibit enormous genetic variety with over 2 different breed types. Man's best friend. | Unisex | |
| Dolly | Variant of the Greek Dorothy meaning Gift of God.
| Female | English |