Encyclopedias, Almanacs, Transcripts, and Maps
- Democratic Theory and Constitutional Law
- Den of Lions
- Denaturalization
- Dennis v. United States 341 U.S. 494 (1951)
- Department of Agriculture v. Murry 413 U.S. 508 (1973) Department of Agriculture v. Moreno 413 U.S. 528 (1973)
- Department of State Bureau of Intelligence and Research, United States
- Deshaney v. Winnebago County Department of Social Services 488 U.S. 189 (1989)
- Developmentally Disabled Assistance and Bill of Rights Act 89 Stat. 486 (1975)
- Devolution and Federalism in Historical Perspective
- DIA (Defense Intelligence Agency)
- Dial-a-Porn
- Dickinson, John (1732–1808)
- Dies, Martin (1900–1972)
- Difference and Constitutional Equality
- Difrancesco, United States v. 449 U.S. 117 (1980)
- Dillon, John F. (1831–1914)
- Dionisio, United States v. 410 U.S. 1 (1973)
- Diplomatic Security (DS), United States Bureau
- Direct and Indirect Taxes
- Direct Democracy