German submarine U-764 was a Type VIIC U-boat built for Nazi Germany's Kriegsmarine for service during World War II.She was laid down on 1 February 1941 by Kriegsmarinewerft Wilhelmshaven as yard number 147, launched on 13 March 1943 and commissioned on 6 May 1943 under Oberleutnant zur See Hanskurt von Bremen.