- Argersinger v. Hamlin
- Arizona Governing Committee v. Norris
- Arizona v. Evans
- Arizona v. Fulminante
- Arizona v. Hicks
- Arkansas Educational Television Commission v. Forbes
- Arkansas v. Sanders
- Arlington Heights v. Metropolitan Housing Corp.
- Ashcraft v. State of Tennessee
- Ashwander v. Tennessee Valley Authority
- Assisted Suicide and the Right to Die
- Austin v. Michigan Chamber of Commerce
- Automobile Workers v. Johnson Controls
- Baehr v. Miike
- Bailey v. Alabama
- Bailey v. Drexel Furniture Co.
- Baker v. Carr
- Baldwin v. G. A. F. Seelig, Inc.
- Baldwin v. Montana Fish and Game Commission
- Ballew v. Georgia
- Barenblatt v. United States
- Barnes v. Glen Theatre, Inc.
- Barron v. Baltimore
- Bartkus v. Illinois
- Bates v. State Bar of Arizona
- Batson v. Kentucky
- Beal v. Doe
- Bean v. Southwestern Waste Management Corp.
- Bell v. Ohio
- Bell v. U-32 Board of Education
