An Autonomous Soviet Socialist Republic is an administrative unit created for certain regions which held a status lower than the union republics of the Soviet Union, but higher than autonomous oblasts and autonomous okrugs.
Tuvan Autonomous Soviet Socialist Republic ended in 1992.
Udmurt Autonomous Soviet Socialist Republic was created in 1934.
Adjar Autonomous Soviet Socialist Republic was created in 1921.
Nakhichevan Autonomous Soviet Socialist Republic was created in 1924.
Mari Autonomous Soviet Socialist Republic was created in 1936.
Tatar Autonomous Soviet Socialist Republic was created in 1920.
Turkestan Autonomous Soviet Socialist Republic was created in 1918.
Komi Autonomous Soviet Socialist Republic was created in 1936.
Chuvash Autonomous Soviet Socialist Republic was created in 1925.
Tajik Autonomous Soviet Socialist Republic was created in 1924.
Kazak Autonomous Soviet Socialist Republic was created in 1925.
Dagestan Autonomous Soviet Socialist Republic was created in 1921.