D
- Carl A. Danberg (born 1964), lawyer and Attorney General of Delaware
- Jessica Darlin (born 1976), porn star, born in Delaware
- Jehu Davis (1738–1802), General Assembly and President of Delaware
- Matthew P. Denn (born 1966), Insurance Commissioner and Lieutenant Governor of Delaware
- William D. Denney (1873–1953), General Assembly and Governor of Delaware.
- Delino DeShields (born 1969), major league baseball player, born in Delaware
- John Dickinson (1732–1808), President of Delaware and of Pennsylvania
- Philemon Dickinson (1739–1809), Continental Congressman from Delaware and U. S. Senator from New Jersey
- John Dossett, actor and singer
- Dave Douglas (1918–1978), professional golfer in the 1940s and 1950s from Delaware
- Charles I. du Pont (1797–1869), manufacturer and the Delaware General Assembly
- Henry A. du Pont (1838–1926), veteran of the Civil War and U. S. Senator from Delaware
- Pierre S. du Pont, IV (born 1935), U. S. Representative and Governor of Delaware
- Samuel Francis Du Pont (1803–1865), Rear Admiral in the United States Navy
- T. Coleman du Pont (1863–1930), President of du Pont Company and U. S. Senator from Delaware
- Victor Marie du Pont (1767–1827), manufacturer and the Delaware General Assembly
- Sara Dylan (born 1939), first wife of Bob Dylan, born in Delaware
Read more about this topic: List Of People From Delaware