Bashkir ASSR (now Republic of Bashkortostan) Buryat ASSR (now Republic of Buryatia) Checheno-Ingush ASSR (now Chechen Republic and Republic of Ingushetia) Chuvash ASSR (now Chuvash Republic) Dagestan ASSR (now Republic of Dagestan) Kabardino-Balkarian ASSR (now Kabardino-Balkarian Republic) Kalmyk ASSR (now Republic of Kalmykia) Karelian ASSR (now Republic of Karelia) Komi ASSR (now Komi Republic) Mari ASSR (now Mari El Republic) Mordovian ASSR (now Republic of Mordovia) North Ossetian ASSR (now Republic of North Ossetia–Alania) Tatar ASSR (now Republic of Tatarstan) Tuvan ASSR (now Tuva Republic) Udmurt ASSR (now Udmurt Republic) Yakut ASSR (now Sakha (Yakutia) Republic)