| Name | Meaning | Gender | Origin |
|---|
| Dean Thomas | Gryffindor student.
| Male | |
| Dedalus Diggle | Member, Order of the Phoenix.
| Male | |
| Delane | From the elder tree grove.
| Male | |
| Dempsey | From the judge's meadow
| Male | Irish |
| Devereau | Surnames derived from place name Deverel.
| Male | |
| Devin | poet | Male | Irish |
| Drud | Strong
| Male | |
| Drugi | Strong
| Male | |
| Earnest | Serious: determined.
| Male | |
| Edison | Son of Edward
| Male | English |
| Edwardo | Prosperous guardian.
| Male | |
| Efrain | Doubly fruitful. Form of Hebrew Ephraim
| Male | Spanish |
| Elf | Santa's helper.
| Male | |
| Elian | Consecrated To The Gracious God | Unisex | Spanish |
| Elijah | Jehovah is God
| Male | Hebrew |
| Eliot | after the poet T.S. Eliot, author of the poems Cats was based on | Male | English |
| Elmo | protector | Male | Italian |
| Elroy | red-haired youth.
| Male | English |
| Emery | after the rock band | Female | |
| Emperor | Male ruler of an empire | Male | |
| Enzo | Rules his household. Variant of Henry.
| Male | Italian |
| Erik | Ever Powerful Ruler | Unisex | Czechoslovakian |
| Ernesto | Earnest, Sincere | Male | Italian |
| Eureka | | Male | Hebrew |
| Evrard | Strong as a boar
| Male | |