German submarine U-1063 was a Type VIIC/41 submarine of Nazi Germany's Kriegsmarine during World War II. Her keel was laid down on 17 August 1943 by Germaniawerft in Kiel. She was commissioned on 8 July 1944 with Kapitänleutnant Karl-Heinz Stephan in command.
German Type VIIC/41 submarines were preceded by the heavier Type VIIC submarines. U-1063 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-1063 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.
On her first patrol U-1063 was sunk on 15 April 1945 in the English Channel east of Land's End, south of Bigbury, Devon, in position 50.1483°N -3.89°W, by squid depth charges from the British frigate . 29 of the crew were killed, there were 17 survivors. She lies at a depth of 58m (190feet).