German submarine U-3524 was a Type XXI U-boat of Nazi Germany's Kriegsmarine during World War II. The Elektroboote submarine was laid down on 8 October 1944 at the Schichau-Werke yard at Danzig, launched on 14 December 1944, and commissioned on 26 January 1945 under the command of Korvettenkapitän Hans-Ludwig Witt.