German submarine U-1064 was a Type VIIC/41 U-boat built for Nazi Germany's Kriegsmarine for service during World War II.She was laid down on 23 September 1943 by Friedrich Krupp Germaniawerft, Kiel as yard number 701, launched on 22 June 1944 and commissioned on 29 July 1944 under Korvettenkapitän Karl-Hermann Schneidewind.
German Type VIIC/41 submarines were preceded by the heavier Type VIIC submarines. U-1064 had a displacement of 759t when at the surface and 860t while submerged. She had a total length of 67.1m (220.1feet), a pressure hull length of 50.5m (165.7feet), a beam of 6.2m (20.3feet), a height of 9.6m (31.5feet), and a draught of 4.74m (15.55feet). The submarine was powered by two Germaniawerft F46 four-stroke, six-cylinder supercharged diesel engines producing a total of NaNPS for use while surfaced, two AEG GU 460/8–27 double-acting electric motors producing a total of 750PS for use while submerged. She had two shafts and two 1.23abbr=onNaNabbr=on propellers. The boat was capable of operating at depths of up to .
The submarine had a maximum surface speed of and a maximum submerged speed of . When submerged, the boat could operate for at ; when surfaced, she could travel at . U-1064 was fitted with five 53.30NaN0 torpedo tubes (four fitted at the bow and one at the stern), fourteen torpedoes, one 8.82NaN2 SK C/35 naval gun, (220 rounds), one 3.7cm (01.5inches) Flak M42 and two 2sp=usNaNsp=us C/30 anti-aircraft guns. The boat had a complement of between forty-four and sixty.
The boat's service career began on 29 July 1944 with the 5th Training Flotilla, followed by active service with 11th Flotilla on 1 February 1945. U-1064 surrendered on 9 May 1945 at Trondheim, Norway. Postwar, she was transferred to the Soviet Navy as S-83, where she served until 12 March 1974. She was eventually broken up for scrap.