German submarine U-751 was a Type VIIC U-boat built for the German Kriegsmarine for service during World War II. Built as werk 134 of the Kriegsmarinewerft shipyard in Wilhelmshaven, she was commissioned on 31 January 1941, she served with 7th U-Boat Flotilla until 1 June as a training boat, and as a front boat until 17 July 1942 under the command of Korvettenkapitän Gerhard Bigalk. U-751 served in seven patrols with the 7th U-boat Flotilla.