Encyclopedias, Almanacs, Transcripts, and Maps
- Duchamp, Marcel (1887–1968)
- Duché, Jacob
- Dudayev, Dzhokhar
- Dudley, Dud
- Duer, William
- Dugin, Alexander Gelevich
- Duke of Alba
- Duke of Cumberland's Regiment
- Duke of Gloucester
- Duke of Monmouth and Buccleugh
- Duke of Northumberland
- Duke, Doris
- Dulany, Daniel
- Dumont, René (1904–2001)
- Dunayevsky, Isaak Osipovich
- Dunbar, Moses
- Dundalk, battle of
- Dundas, Thomas
- Dungan
- Dungeness, battle of