German submarine U-745 was a Type VIIC U-Boat built for the German Kriegsmarine for service during World War II, and which was lost at sea on 30 January 1945. U-745 was launched on 16 April 1943, under the command of Wilhelm von Trotha, who would remain its commanding officer for its entire service. U-745 had a crew of 45. She undertook four patrols during her service, and sank one allied auxiliary ship (the Soviet minesweeping trawler T-45 Antikajnen (No 48) and one allied warship (the Soviet fleet minesweeper T-76 Korall).