German submarine U-2502 was a Type XXI U-boat (one of the "Elektroboote") of Nazi Germany's Kriegsmarine, built for service in World War II. The submarine was laid down on 25 April 1944 at the Blohm & Voss yard at Hamburg, launched on 15 June 1944, and commissioned on 19 July 1944 under the command of Kapitänleutnant Gert Mannesmann, who commanded her until 8 April 1945.
Like all Type XXI U-boats, U-2502 had a displacement of 1621t when at the surface and 1819t while submerged. She had a total length of 76.7m (251.6feet) (o/a), a beam of 8m (26feet), and a draught of 6.32m (20.73feet). The submarine was powered by two MAN SE supercharged six-cylinder M6V40/46KBB diesel engines each providing 2000lk=onNaNlk=on, two Siemens-Schuckert GU365/30 double-acting electric motors each providing 2500PS, and two Siemens-Schuckert silent running GV232/28 electric motors each providing 226PS.
The submarine had a maximum surface speed of and a submerged speed of . When running on silent motors the boat could operate at a speed of . When submerged, the boat could operate at for ; when surfaced, she could travel at . U-2502 was fitted with six 53.3cm (21inches) torpedo tubes in the bow and four 2sp=usNaNsp=us C/30 anti-aircraft guns. She could carry twenty-three torpedoes or seventeen torpedoes and twelve mines. The complement was five officers and fifty-two men.
U-2502 conducted no patrols, and surrendered on 9 May 1945 in Horten Naval Base, Norway. She was then transferred to Oslo on 18 May 1945, then Scapa Flow on 6 June 1945. On 1 January 1946 she was taken to Moville, near Lisahally. From there she was sunk the following day at 56.1°N -9°W.