| Name | Meaning | Gender | Origin |
|---|
| Cy | Persian, sun or throne | Male | English |
| Dale | Lives in the valley
| Male | English |
| Dane | from Denmark | Male | English |
| Dark | | Unisex | Hebrew |
| Darth | | Unisex | Hebrew |
| Dash | To move with haste, to rush. Punctuation. Long sound in Morse code. | Male | English |
| Dave | David's son
| Male | Short |
| Dawn | Early riser
| Female | Word |
| Dax | from Deep Space Nine | Male | |
| Dean | From the valley. | Male | English |
| Deb | Honey Bee | Unisex | English |
| Dee | Dark | Unisex | Welsh |
| Dew | | Unisex | Hebrew |
| Dill | after the herb | Unisex | |
| Dime | | Unisex | Hebrew |
| Dink | | Unisex | Hebrew |
| Dirk | English from German form of THEODORIC, the people's ruler | Male | Flemish |
| Doc | | Unisex | Hebrew |
| Dodge | To avoid or evade. To shade a part of a photograph. | Male | English |
| Dog | Domesticated carnivorous mammal. Dogs exhibit enormous genetic variety with over 2 different breed types. Man's best friend. | Unisex | |
| Don | World Leader | Male | English |
| Dot | Small mark. Short for Dorothy - Gift of God Short sound in Morse code. Abbreviation of Dorothy. | Female | English |
| Doug | From The Dark Water | Unisex | Scottish |
| Dove | dove, a bird | Male | Color |
| Drake | A male duck. | Male | English |