Encyclopedias, Almanacs, Transcripts, and Maps
- de la Fuente, Juan Ramón (1951–)
- de la Huerta, Adolfo (1881–1955)
- de León, Martín (1765–1833)
- De Menasce Family
- de Morgan, Augustus (1806–1871)
- De Nagy, Tibor
- de Sanctis, Francesco (1817–1883)
- De Sapio, Carmine Gerard
- De Vries, Peter
- De'ang
- Dean, Jay Hanna ("Dizzy")
- Death Squads
- Debartolo, Edward John, Sr.
- Debray, [Jules] Régis (1940–)
- Debret, Jean-Baptiste (1768–1848)
- Debt Peonage
- Debusschere, David Albert (“Dave”)
- Decena Trágica
- Decentralization Party
- Decision Theory