- Taxpayer Bill of Rights III (1998)
- Tennessee Valley Authority Act (1933)
- Title IX, Education Amendments (1972)
- Toxic Substances Control Act (1976)
- Trade Act of 1974
- Trading with the Enemy Act (1917)
- Truth in Lending Act (1969)
- United Nations Participation Act (1945)
- United States Housing Act of 1937
- United States Information and Educational Exchange Act (1948)
- Urban Mass Transportation Acts
- USA Patriot Act (2001)
- Veterans' Preference Act of 1944
- Violence against Women Act of 1994
- Violent Crime Control and Law Enforcement Act of 1994
- Vocational Education Act of 1917
- Voting Rights Act of 1965
- Walsh-Healey Public Contracts Act (1936)
- War Powers Resolution (1973)
- Weapons of Mass Destruction Control Act (1992)
- Whistleblower Protection Laws (1989)
- Yellowstone National Park Act (1872)
