Mario Monje Molina (29 March 1929 – 15 January 2019) was a Bolivian politician, founder Secretary-General of the PCB, the Communist Party of Bolivia (Partido Comunista Boliviano).
When the party split into a pro-Soviet and a pro-Beijing wing, he became the leader of the pro-Soviet wing.
He agreed to help Ernesto 'Che' Guevara incite a revolution in Bolivia in 1966, yet decided otherwise later.
Aleida March (Che's widow) blames Monje for the death of her husband.Monje Molina died on January 15, 2019 of pneumonia in Moscow.