The Guatemalan Labour Party ("Partido Guatemalteco del Trabajo") was a communist party in Guatemala. It existed from 1949 to 1998. It gained prominence during the government of Col. Jacobo Arbenz. It was one of the main forces of opposition to the various regimes that followed Arbenz's overthrow, and later became a constituent of the URNG guerrilla coalition during the later phase of the country's Civil War.