- Mail Fraud and False Representation Statutes
- Mann Act (1910)
- Marine Mammal Protection Act (1972)
- Mckinney-Vento Act (1988)
- Medicaid Act (1965)
- Medicare Act (1965)
- Merchant Marine Act of 1920
- Migratory Bird Conservation Act of 1929
- Militia Act (1862)
- Mineral Leasing Act (1920)
- Missouri Compromise (1820)
- Morrill Land Grant Act of 1862
- Motor Carrier Act (1935)
- Mutual Security Act (1951)
