The 5th Rifle Corps was a corps of the Soviet Union's Red Army, formed twice.

The Battle of Grodno took place between 20 September and 22 September 1939, during the Soviet invasion of Poland. It was fought between improvised Polish units under Gen. Wacław Przeździecki and Soviet Red Army troops of Komkor Ivan Boldin's Dzerzhinsky Cavalry Mechanized Group, at the time in a non-aggression agreement with Nazi Germany under the Ribbentrop-Molotov Pact.