German submarine U-1051 was a Type VIIC U-boat built for Nazi Germany's Kriegsmarine for service during World War II.

She was laid down on 8 February 1943 by Friedrich Krupp Germaniawerft, Kiel as yard number 685, launched on 3 February 1944 and commissioned on 4 March 1944 under Oberleutnant zur See Heinrich von Holleben.

The submarine was powered by two Germaniawerft F46 four-stroke, six-cylinder supercharged diesel engines producing a total of 2,800 to 3,200 metric horsepower (2,060 to 2,350 kW; 2,760 to 3,160 shp) for use while surfaced, two AEG GU 460/8–27 double-acting electric motors producing a total of 750 metric horsepower (550 kW; 740 shp) for use while submerged.

[2] When submerged, the boat could operate for 80 nautical miles (150 km; 92 mi) at 4 knots (7.4 km/h; 4.6 mph); when surfaced, she could travel 8,500 nautical miles (15,700 km; 9,800 mi) at 10 knots (19 km/h; 12 mph).

[2] The boat's career began with training at 5th U-boat Flotilla on 4 March 1944, followed by active service on 1 January 1945 as part of the 11th Flotilla and was sunk just three weeks later on her first patrol.