- 391 U.S. 1 (1968) Mathis v. United States
- 391 U.S. 9 (1968) Federal Power Commission v. Sunray Dx Oil Company
- 391 U.S. 53 (1968) Interstate Circuit, Inc. v. City of Dallas
- 391 U.S. 54 (1968) Peyton v. Rowe
- 391 U.S. 68 (1968) Levy v. Louisiana
- 391 U.S. 73 (1968) Glona v. American Guarantee & Liability Insurance Company
- 391 U.S. 83 (1968) Commissioner of Internal Revenue v. Gordon
- 391 U.S. 99 (1968) American Federation of Musicians of United States and Canada v. Carroll
- 391 U.S. 123 (1968) Bruton v. United States
- 391 U.S. 145 (1968) Duncan v. Louisiana
- 391 U.S. 194 (1968) Bloom v. Illinois
- 391 U.S. 216 (1968) Dyke v. Taylor Implement Manufacturing Company
- 391 U.S. 224 (1968) Joint Industry Board of Electrical Industry v. United States
- 391 U.S. 234 (1968) Carafas v. LaVallee
- 391 U.S. 244 (1968) United States v. United Shoe Machinery Corporation
- 391 U.S. 253 (1968) First National Bank of Arizona v. Cities Service Company
- 391 U.S. 308 (1968) Amalgamated Food Employees Union, Local 590 v. Logan Valley Plaza, Inc.
- 391 U.S. 341 (1968) In re Whittington
- 391 U.S. 346 (1968) Darwin v. Connecticut
- 391 U.S. 352 (1968) Wilson v. City of Port Lavaca
- 391 U.S. 353 (1968) Zwicker v. Boll
- 391 U.S. 363 (1968) Federal Power Commission v. Pan American Petroleum Corp.
- 391 U.S. 364 (1968) Branigin v. Duddleston
- 391 U.S. 365 (1968) California v. Phillips Petroleum Company
- 391 U.S. 366 (1968) Brooklyn Union Gas Company v. Standard Oil Company of Texas
- 391 U.S. 367 (1968) United States v. O'Brien
- 391 U.S. 392 (1968) Puyallup Tribe v. Department of Game of Washington
- 391 U.S. 404 (1968) Menominee Tribe of Indians v. United States
- 391 U.S. 418 (1968) National Labor Relations Board v. Industrial Union of Marine and Shipbuilding Workers of America
- 391 U.S. 430 (1968) Green v. County School Board of New Kent County
- 391 U.S. 443 (1968) Raney v. Board of Education of Gould School District
- 391 U.S. 450 (1968) Monroe v. Board of Commissioners of City of Jackson
- 391 U.S. 461 (1968) World Airways, Inc. v. Pan American World Airways, Inc.
- 391 U.S. 462 (1968) Rabeck v. New York
- 391 U.S. 464 (1968) Garrison v. Patterson
- 391 U.S. 469 (1968) Central Bank Trust Company v. United States
- 391 U.S. 470 (1968) Ross v. California
- 391 U.S. 471 (1968) Reading Company v. Brown
- 391 U.S. 492 (1968) Wirtz v. Hotel Motel and Club Employees Union, Local 6
- 391 U.S. 510 (1968) Witherspoon v. Illinois
- 391 U.S. 543 (1968) Bumper v. North Carolina
- 391 U.S. 563 (1968) Pickering v. Board of Education
- 391 U.S. 585 (1968) Sabbath v. United States
- 391 U.S. 592 (1968) Watts v. Seward School Board
- 391 U.S. 593 (1968) Kaiser Steel Corp. v. W. S. Ranch Company
- 391 U.S. 596 (1968) Johnson v. Florida
- 391 U.S. 604 (1968) Ioannou v. New York
- 391 U.S. 605 (1968) Bonnie v. Gladden
- 391 U.S. 930 (1968) Shiffman v. Selective Service Board No. 5
- 391 U.S. 936 (1968) Holmes v. United States
- 391 U.S. 949 (1968) Danila v. Dobrea
- 391 U.S. 956 (1968) Hart v. United States
- 391 U.S. 972 (1968) In re Whittington
