Mariateguist Unified Party (in Spanish: Partido Unificado Mariateguista - PUM) was a political party in Peru founded in 1984 by Revolutionary Vanguard (VR), Revolutionary Left Movement (MIR), Workers Revolutionary Party (PRT) and a sector of Revolutionary Communist Party (PCR). Leaders included Javier Diez Canseco, Agustín Haya de la Torre, Santiago Pedráglio, Hugo Blanco, Eduardo Cáceres and Carlos Tapia. Maria Elena Moyano was also a member of PUM.

PUM was a part of United Left (IU). In 1990, PUM withdrew from IU. In 1995, it rejoined IU, together with UNIR.


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