José Gregorio Liendo Vera (1945 – October 3, 1973), also known as "Compañero Pepe", "Comandante Pepe" or "Loco Pepe" was a Chilean university student, political leader, and militant of the Revolutionary Left Movement ("Movimiento de Izquierda Revolucionaria"; "MIR"), a Marxist-Leninist and Guevarist urban guerrilla and political movement. He was also a leader and a member of the "Movimiento Campesino Revolucionario" (MCR), the MIR's Front of the Masses ("Frente de Masas") among the Chilean peasantry, which participated in the fundos occupations during the government democratically elected socialist President Salvador Allende and served with the leftist political coalition Unidad Popular in the early 1970s.

He and other militants of the MCR-MIR planned and carried out the attack on the police station of Neltume on September 12, 1973, the day after the 1973 Chilean coup d'etat. He had originally moved into the zone of Neltume. In the 1960s, after quitting his Agronomy university studies. Liendo was executed in the prison of Isla Teja by a firing squad on October 3, 1973, after a "war council" accused him of having led the guerrilla warfare assault the police Neltume's station and the robbery and assault of Antonieta Macchi Bonadey's farm in November 1970, which led to her suicide.^[1][2]