Okay lets use wiki as a source… https://en.m.wikipedia.org/wiki/List_of_communist_states

The following communist states were socialist states committed to communism. Some were short-lived and preceded the widespread adoption of Marxism–Leninism by most communist states.

Russia Russia
    Chita Republic (1905–1906)
    Russian Soviet Federative Socialist Republic (1917–1991)
        Amur Socialist Soviet Republic (1918)
        Turkestan Autonomous Soviet Socialist Republic (1918–1924)
        Volga German Autonomous Soviet Socialist Republic (1918–1941)
        Bashkir Autonomous Soviet Socialist Republic (1919–1991)
        Tatar Autonomous Soviet Socialist Republic (1920–1990)
        Kirghiz Autonomous Socialist Soviet Republic (1920–1925)
        Mountain Autonomous Soviet Socialist Republic (1921–1924)
        Dagestan Autonomous Soviet Socialist Republic (1921–1991)
        Crimean Autonomous Soviet Socialist Republic (1921–1941; 1944–1945)
        Yakut Autonomous Soviet Socialist Republic (1922–1991)
        Buryat Autonomous Soviet Socialist Republic (1923–1990)
        Karelian Autonomous Soviet Socialist Republic (1923–1940; 1956–1991)
        Kazakh Autonomous Socialist Soviet Republic (1925–1936)
        Kirghiz Autonomous Socialist Soviet Republic (1926–1936)
        Mordovian Autonomous Soviet Socialist Republic (1934–1990)
        Udmurt Autonomous Soviet Socialist Republic (1934–1990)
        Kalmyk Autonomous Soviet Socialist Republic (1935–1943; 1957–1991)
        Checheno-Ingush Autonomous Soviet Socialist Republic (1936–1944; 1957–1991)
        Kabardino-Balkarian Autonomous Soviet Socialist Republic (1936–1944; 1957–1991)
        Komi Autonomous Soviet Socialist Republic (1936–1991)
        Mari Autonomous Soviet Socialist Republic (1936–1991)
        North Ossetian Autonomous Soviet Socialist Republic (1936–1993)
        Karelo-Finnish Soviet Socialist Republic (1940–1956)
        Kabardin Autonomous Soviet Socialist Republic (1944–1957)
        Tuvan Autonomous Soviet Socialist Republic (1961–1992)
        Gorno-Altai Autonomous Soviet Socialist Republic (1990–1991)
    Soviet Republic of Soldiers and Fortress-Builders of Naissaar (1917–1918)
    Donetsk–Krivoy Rog Soviet Republic (1918)
    Crimean Socialist Soviet Republic (1919)
    Far Eastern Republic Far Eastern Republic (1920–1922)
    Tuvan People's Republic Tuvan People's Republic (1921–1944)
    Soviet Union Union of Soviet Socialist Republics (1922–1991)

Would you look at that…