Encyclopedias, Almanacs, Transcripts, and Maps
- Speedy Trial (Update 2)
- Speiser v. Randall 357 U.S. 513 (1958)
- Spending Power
- Spinelli v. United States 393 U.S. 410 (1969)
- Spot Resolutions (1847)
- Springer v. United States 102 U.S. 586 (1881)
- SR-71 Blackbird
- Stafford v. Wallace 358 U.S. 495 (1922)
- Stamp Act Congress, Resolutions of (October 19, 1765)
- Stanbery, Henry S. (1803–1881)
- Standard of Review
- Standard Oil Company v. United States 221 U.S. 1 (1911) United States v. American Tobacco Company 211 U.S. 106 (1911)
- Standing (Update)
- Stanford v. Kentucky 492 U.S. 361 (1989)
- Stanley v. Georgia 394 U.S. 557 (1969)
- Stanton, Edwin M. (1814–1869)
- Stanton, Elizabeth Cady (1815–1902)
- Stare Decisis (Update)
- START II
- State Action