Encyclopedias, Almanacs, Transcripts, and Maps
- Dunnet Head
- Dunning, John, 1st Baron Ashburton
- Dunois, Jean, comte de
- Dunsinane
- duodecimal system
- duplication of the cube
- duPont, Margaret Osborne
- Düppel
- Duprat, Antoine
- Dur Sharrukin
- Dura-Europos
- Duran, Carolus
- Durand, Charles Auguste Émile
- Durandus, Gulielmus
- Durant
- Durant, Henry Fowle
- Durante
- Durazzo
- Düren
- Durham cattle