The Revolutionary Workers' Party (Spanish: Partido Obrero Revolucionario, Catalan: Partit Obrer Revolucionari; POR) is a Spanish far-left group. It was founded in 1974 as the radical Anti-Francoist Revolutionary Workers' Party of Spain (Partido Obrero Revolucionario de España (PORE)), a name that it kept until 1983. This group was mainly active in the Barcelona area. Since 1998, the POR is part of United Left (IU) through the internal group known as Redes.