Lists of members of the Politburo of the Communist Party of the Soviet Union include: * Aug.–Oct. 1917 * Oct.–Dec. 1917 * 6th (1917–18) * 7th (1918–19) * 8th (1919–20) * 9th (1920–21) * 10th (1921–22) * 11th Politburo (1922–1923) * 12th Politburo (1923–1924) * 13th Politburo (1924–1925) * 14th Politburo (1926–1927) * 15th Politburo (1927–1930) * 16th Politburo (1930–1934) * 17th Politburo (1934–1939) * 18th Politburo (1939–1952) * 19th Politburo (1952–1956) * 20th and 21st Politburo (1956–1961) * 22nd Politburo (1961–1966) * 23rd Politburo (1966–1971) * 24th Politburo (1971–1976) * 25th Politburo (1976–1981) * 26th Politburo (1981–1986) * 27th Politburo (1986–1990) * 28th Politburo (1990–1991)This article includes a politicians-related list of lists.