Politics of Lithuania takes place in a framework of a unitary semi-presidential representative democratic republic, whereby the president of Lithuania is the head of state and the prime minister of Lithuania is the head of government, and of a multi-party system.

The Communist Party of Lithuania is a banned communist party in Lithuania. The party was established in early October 1918 and operated clandestinely until it was legalized in 1940 after the Soviet invasion and occupation. The party was banned in August 1991, following the coup attempt in Moscow, Soviet Union which later led to the collapse of the Soviet Union and the dissolution of the Lithuanian SSR.