The Fourteenth Amendment may refer to:

• Fourteenth Amendment to the United States Constitution, which grants citizenship to everyone born in the U.S. and subject to its jurisdiction and protects civil and political liberties
• Fourteenth Amendment of the Constitution of India, established the union territory of Puducherry (Pondicherry)
• Fourteenth Amendment of the Constitution of Ireland, which guarantees free access to information on abortion in other countries
• Fourteenth Amendment to the Constitution of Pakistan, which gave party leaders the power to dismiss dissenting members of parliament
• Fourteenth Amendment of the Constitution of South Africa, which repealed some of the provisions allowing for floor-crossing, that had been added by the Ninth and Tenth Amendments