The Justicialist Party (Spanish: Partido Justicialista [paɾˈtiðo xustisjaˈlista], PJ), also known as the Peronist Party (Spanish: Partido Peronista), is a major political party in Argentina, and the largest branch within Peronism.
Founded by Juan Perón and his wife, First Lady Eva Perón, the party followed a left-wing agenda based on his policies. It is overall the largest party in Congress.