Unified Socialist Party of Mexico

Unified Socialist Party of Mexico Partido Socialista Unificado de México
Founded	18 December 1981
Dissolved	1987
Merger of	PCM PPM
Merged into	Mexican Socialist Party
Ideology	Communism Anti-imperialism Multi-tendency
Political position	Far-left
Politics of Mexico Political parties Elections

The Unified Socialist Party of Mexico (Spanish: Partido Socialista Unificado de México, PSUM) was a socialist political party in Mexico. It later became the Mexican Socialist Party (Partido Mexicano Socialista) in 1988.