German submarine U-3007 was a Type XXI U-boat (one of the "Elektroboote") of Nazi Germany's Kriegsmarine, built for service in World War II. She was ordered on 6 November 1943, and was laid down on 9 July 1944 at AG Weser, Bremen, as yard number 1166. She was launched on 4 September 1944, and commissioned under the command of Kapitänleutnant Helmut Manseck on 22 October 1944.