List of political parties in the Soviet Union

The following is a list of political parties in the Soviet Union:

Russia / All-Union

 * Communist Party of the Soviet Union (established in January 1912, dissolved in August 1991)
 * Left Opposition (1923–1927)
 * Workers' Truth (1921–1923)
 * Workers' Group (1923–1930)
 * Right Opposition (1924–1933)
 * United Opposition (1926–1927)
 * Left-Right Bloc (1930)
 * Union of Marxist-Leninists (1932)
 * Bloc of Soviet Oppositions (1932–1933)
 * Anti-Party Group (1957)
 * Soyuz (1990–1991)
 * Bolshevik Platform (1991)
 * State Committee on the State of Emergency (1991)

Underground

 * True Communists (1940)
 * Soviet Revolutionary Communists (Bolsheviks) (established in 1960s)
 * All-Russian Social-Christian Union for the Liberation of the People (1964–1967)
 * Left School (established in Winter 1972–1973, dissolved in January 1977)
 * Party of New Communists (established in Winter 1972–1973, dissolved in January 1977)
 * Neo-Communist Party of the Soviet Union (established in September 1974, dissolved in January 1985)

Legal

 * Democratic Union (established in March 1988, the first openly proclaimed opposition party in the Soviet Union)
 * Liberal Democratic Party of the Soviet Union (established in March 1989, dissolved in April 1991)
 * Socialist Party (USSR) (established in June 1990, dissolved in January-February 1992)

Pro-independence parties in Union Republics (nationalists)

 * Organisation of Ukrainian Nationalists (1966–1987, Ukraine)
 * National United Party (1966–1987, Armenia)
 * Union for National Self-Determination (1987)