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.
Tatar Autonomous Soviet Socialist Republic was created in 1920.
Udmurt Autonomous Soviet Socialist Republic was created in 1934.
Chuvash Autonomous Soviet Socialist Republic was created in 1925.
Bashkir Autonomous Soviet Socialist Republic was created in 1919.
Kabardin Autonomous Soviet Socialist Republic was created in 1944.
Kirghiz Autonomous Soviet Socialist Republic was created in 1920.
Yakut Autonomous Soviet Socialist Republic was created in 1922.
Karakalpak Autonomous Soviet Socialist Republic was created in 1932.
Karelian Autonomous Soviet Socialist Republic was created in 1923.
Mountain Autonomous Soviet Socialist Republic ended in 1924.
Mountain Autonomous Soviet Socialist Republic was created in 1920.