Encyclopedias, Almanacs, Transcripts, and Maps
- Duke University
- Dulbecco, Renato
- Duluth, Daniel Greysolon, sieur
- Dumaguete
- Dumah
- Dumas fils
- Dumas père
- Dumas, Thomas-Alexandre
- Dumba, Konstantin Theodor
- Dumfriesshire
- Dummer, Jeremiah (c.1680–1739, colonial agent for Massachusetts and Connecticut)
- Dumont
- Dumont d'Urville, Jules Sébastien César
- Dumont, Pierre Étienne Louis
- Dumouriez, Charles François
- Dumyat
- Düna
- Dünaburg
- Dunajec
- Dunash ben Labrat