Washington Declaration

Washington Declaration may refer to:


 * Czechoslovak Declaration of Independence or Washington Declaration (1918), declaration proclaiming the First Czechoslovak Republic
 * Washington Principles on Nazi-Confiscated Art or Washington Declaration (1998), statement concerning the restitution of art confiscated by the Nazi regime during World War II
 * 1994 declaration that paved the way for the Israel–Jordan Treaty of Peace
 * An agreement announced at the 2008 G20 Washington summit regarding objectives to strengthen economic growth and deal with financial crisis
 * In South Korea–United States relations, an April 2023 nuclear deterrence plan aimed at North Korea