Federación Anarquista Uruguaya, commonly known as FAU or Uruguayan Anarchist Federation, is a Uruguayananarchist organization founded in 1956. The FAU was created by anarchist militants to be a specifically anarchist organization. The FAU was the first organization to promote the organizational concept of Especifismo. The FAU has aided in the creation of several similar anarchist organizations including the Federação Anarquista Gaúcha (FAG) and Federação Anarquista Cabocla (FACA) in Uruguay, the Argentine organization Auca (Rebel), and the Federação Anarquista do Rio de Janeiro (FARJ) in Brazil. Since 2010 it has participated in Anarkismo.net.