The following flags represent the Soviet Union or one of its communist predecessors or successors. These flags can be used as is or as inspiration.
1923 naval ensign
1935 naval ensign
1924 jack and fortress flag
1964 jack and fortress flag
"Red Army flag" (never used OTL)
1923 second variant
1923 first variant
Republics[]
The following flags represent the 15 republics of the Soviet Union prior to its dissolution.
The following flags represent short-lived and former republics of the Soviet Union.
Khorezm SSR 1923-1924
Tajik ASSR (1924-1929)
SSR of Latvia (1919-1920)
Donetsk-Krivoy Rog SSR (1918)
Turkestan ASSR (1918-1924)
Mountaineer's ASSR (1921-1924)
Moldavian ASSR (1921-1939)
Yakut ASSR (1926-1937)
Bukhara SSR (1923-1924)
Chuvash ASSR (1926-1931)
Turkmen SSR (1925-1937)
People's Republic of Tannu Tuva (1923-1930)
Azerbaijan SSR (1921-1924)
Azerbaijan SSR (1920)
People's Republic of Tannu Tuva (1943-1944)
People's Republic of Tannu Tuva (1932-1943)
People's Republic of Tannu Tuva (1930-1932)
Estonian Workers’ Commune (1918-1920) Inscription on a red background reads (in Russian): "On the barricades [stands] Estonian workers, for Soviet Estonia, Great Volga, Ural, Siberia, in the name of the III Communist International"
Crimean ASSR (1939-1944)
Crimean ASSR (1936-1939)
Crimean ASSR (1921-1936)
Flag of theTranscarpathian People's Rada (1944-1945) Inscription reads (in Ukrainian) : "Long live the reunion of the Transcarpathian Ukraine with the Soviet Ukraine!"
Volga Germans ASSR 1937-1941
Volga Germans ASSR (1926-1937)
SSR of Latvia (1918)
Galician SSR (1919-1920)
Persian SSR (or Soviet Republic of Gilan) 1920-1921