The 56th Rifle Division was a infantry division of the Red Army of the Soviet Union. On 21 November 1919 the 56th Rifle Division () was established from a previous rifle division that had been part of the Seventh Red Army. In June 1941 it was part of the 4th Rifle Corps of the 3rd Army (Soviet Union). Its first formation was destroyed while serving with 4th Rifle Corps by July 1941.
The division was reestablished, and its second formation appears to have fought around Leningrad and Riga. On 1 April 1945 it was part of the 122nd Rifle Corps, 42nd Army. It was with the 42nd Army of the Kurland Group (Leningrad Front) May 1945. Sooner afterwards, it was dispatched to the Far East.
On 4 March 1955, the 342nd Rifle Division was renamed and titled the 56th Rifle Division. On 17 April 1957 the 56th Motorised Rifle Division was created in Khomutovo, Sakhalin Oblast from the 56th Rifle Division.