12th Rifle Division (Soviet Union)

12th Rifle Division
Active	I Formation: 1918–1921 II Formation: 5 October 1923 – 1957
Country	Soviet Union
Branch	Red Army
Type	Rifle (infantry) Division
Part of	2nd Red Banner Army
Engagements	Russian Civil War Polish-Soviet War Battle of Warsaw (1920) Soviet–Japanese War Soviet invasion of Manchuria
Battle honours	On behalf of the Petrograd Soviet (1st formation) Amur (2nd formation) On behalf of the Siberian Revolutionary Committee (2nd formation)

The 12th Rifle Division was an infantry division of the Red Army, formed twice. The division's first formation fought in the Russian Civil War and Polish–Soviet War. It was disbanded in 1921. The division formed again in 1923 at Omsk and spent World War II in Siberia. It participated in the Soviet invasion of Manchuria and was converted into a motor rifle division in 1957.