A
- Abrams v. United States250 U.S. 616 (1919)
- Agency For International Development v. Alliance For Open Society International, Inc.133 S.Ct. 2321 (2013)
- Agostini v. Felton521 U.S. 203 (1997)
- American Booksellers Ass'n v. Hudnut771 F.2d 323 (7th Cir.. 1985); aff'd mem., 475 U.S. 1001 (1986)
- American Legion v. American Humanist Association139 S.Ct. 2067 (2019)
- Ashcroft v. The Free Speech Coalition535 U.S. 234 (2002)