The 4th Rifle Division was an infantry division of the Soviet Union's Red Army, formed three times. It was first formed in 1919 from the remnants of the and fought in the Defence of Petrograd during the Russian Civil War. The division then fought in the Polish–Soviet War. In 1939, the division fought in the Soviet invasion of Poland. It fought in the Winter War from December 1939 and suffered heavy losses in the Battle of Kelja. After Operation Barbarossa, the division fought in the Barvinkove-Losowaja Operation and the 1942 Battle of Voronezh. It suffered heavy losses at Voronezh and was disbanded in November 1942. The division reformed in 1943 and fought in the Bryansk Offensive, , Lublin–Brest Offensive, Warsaw-Poznan Offensive and Berlin Offensive. It was disbanded in the summer of 19