Servicio Paz y Justicia (SERPAJ, Service Peace and Justice) is a Human Rights Non Governmental Organisation in Latin America, founded in 1974.
It is a Christian based and nonviolent organization, and is committed for the defense of political prisoners in the different South American dictatorships during the Dirty War in the 1970–80s.
It is member of the Ligue internationale pour les droits et la libération des peuples and observer member of the International Coalition for the Decade.
One of the founders and the first coordinator of the SERPAJ was the 1980 Nobel Peace Prize winner Adolfo Pérez Esquivel.
The Partido Socialista del Uruguay lawyer Azucena Berruti has been a member of the SERPAJ-Uruguay, and minister of Defense of the Tabaré Vázquez government (2005–2008).