Encyclopedias, Almanacs, Transcripts, and Maps
- Dos Passos, John Randolph
- Dostoyevsky, Feodor Mikhailovich
- Dou, Gerard
- Douaumont
- double solitaire
- Double Tenth
- Dougga
- Douglas fir
- Douglas spruce
- Douglas, Archibald, 8th earl of Angus
- Douglas, David
- Douglas, John Sholto
- Douglas, Marjory Stoneman
- Douglas, Sir Howard
- Douglas, Sir James de, lord of Douglas
- Dounreay
- Doura
- douroucouli
- Douw, Gerard
- dovekie