Fourth Amendment

Fourth Amendment may refer to the:


 * Fourth Amendment to the United States Constitution, prohibits unreasonable searches and seizures
 * Fourth Amendment of the Constitution of India, 1955 amendment relating to property rights and trade
 * Fourth Amendment of the Constitution of Ireland, which lowered the voting age from twenty-one to eighteen
 * Fourth Amendment of the Constitution Bill 1968, a failed attempt to amend the Constitution of Ireland by abolishing proportional representation elections
 * Australian referendum, 1946 (Social Services), the fourth amendment to the Constitution of Australia, which extended the powers of the federal government over social services
 * Fourth Amendment of the Constitution of South Africa, which made technical changes related to the election of provincial legislature and the National Council of Provinces
 * Florida Amendment 4 (2018), the Voting Rights Restoration for Felons Initiative, Amendment 4, a constitutional amendment in Florida