German submarine U-151 was a Type IID U-boat of Nazi Germany's Kriegsmarine during World War II. Her keel was laid down on 6 July 1940 by Deutsche Werke in Kiel as yard number 280. She was launched on 14 December 1940 and commissioned on 15 January 1941 with Kapitänleutnant Hans Oestermann in command.
U-151 began her service life with the 1st U-boat Flotilla. She was then assigned to the 22nd flotilla and subsequently to the 31st flotilla. She spent the war as a training vessel.
She was scuttled on 5 May 1945.
German Type IID submarines were enlarged versions of the original Type IIs. U-151 had a displacement of 314t when at the surface and 364t while submerged. Officially, the standard tonnage was 2500NaN0, however. The U-boat had a total length of 43.97m (144.26feet), a pressure hull length of 29.8m (97.8feet), a beam of 4.92m (16.14feet), a height of 8.4m (27.6feet), and a draught of 3.93m (12.89feet). The submarine was powered by two MWM RS 127 S four-stroke, six-cylinder diesel engines of 700PS for cruising, two Siemens-Schuckert PG VV 322/36 double-acting electric motors producing a total of 410PS for use while submerged. She had two shafts and two 0.85abbr=onNaNabbr=on propellers. The boat was capable of operating at depths of up to 80-.
The submarine had a maximum surface speed of and a maximum submerged speed of . When submerged, the boat could operate for 35- at ; when surfaced, she could travel at . U-151 was fitted with three 53.30NaN0 torpedo tubes at the bow, five torpedoes or up to twelve Type A torpedo mines, and a 2cm (01inches) anti-aircraft gun. The boat had a complement of 25.
The boat surrendered at the German island of Heligoland and was scuttled in the Raederschleuse (lock) at Wilhelmshaven on 5 May 1945. The wreck was broken up on an unknown date.