This is a list of United States tariff laws.

• 1789: Tariff of 1789 (Hamilton Tariff)
• 1790: Tariff of 1790
• 1791: Tariff of 1791
• 1792: Tariff of 1792
• 1816: Tariff of 1816
• 1824: Tariff of 1824
• 1828: Tariff of 1828 (Tariff of Abominations)
• 1832: Tariff of 1832
• 1833: Tariff of 1833
• 1842: Tariff of 1842
• 1846: Walker tariff
• 1857: Tariff of 1857
• 1861: Morrill Tariff
• 1872: Tariff of 1872
• 1875: Tariff of 1875
• 1883: Tariff of 1883 (Mongrel Tariff)
• 1890: McKinley Tariff
• 1894: Wilson–Gorman Tariff Act
• 1897: Dingley Tariff
• 1909: Payne–Aldrich Tariff Act
• 1913: Revenue Act of 1913 (Underwood Tariff)
• 1921: Emergency Tariff of 1921
• 1922: Fordney–McCumber Tariff
• 1930: Smoot–Hawley Tariff Act
• 1934: Reciprocal Tariff Act
• 1947: General Agreement on Tariffs and Trade
• 1962: Trade Expansion Act
• 1974: Trade Act of 1974
• 1979: Trade Agreements Act of 1979
• 1984: Trade and Tariff Act of 1984
• 1988: Omnibus Foreign Trade and Competitiveness Act
• 1994: World Trade Organization created
• 2002: 2002 United States steel tariff
• 2002: Trade Act of 2002
• 2009: Chinese tire tariffs^{[ citation needed ]}
• 2018: Tariffs in the first Trump administration
• 2025: Tariffs in the second Trump administration