German submarine U-963 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II. She was ordered on 5 June 1941, and was laid down on 20 April 1942 at Blohm & Voss, Hamburg, as yard number 163. She was launched on 30 December 1942 and commissioned under the command of Leutnant zur See Karl Boddenberg on 17 February 1943.