German submarine U-236

German submarine U-236 was a Type VIIC U-boat of the Nazi German Kriegsmarine during World War II.

The submarine was laid down on 23 March 1942 at the Friedrich Krupp Germaniawerft yard at Kiel as 'werk' 666, launched on 24 November and commissioned on 9 January 1943 under the command of Oberleutnant Reimar Ziesmer.

After training with the 5th U-boat Flotilla at Kiel, she spent the rest of the war as a 'school' boat. U-236 was transferred to the 24th flotilla on 29 September 1943, the 21st flotilla on 1 May 1944 and the 31st flotilla on 1 March 1945.

She was scuttled near Schleimünde, (north of Kiel), on 5 May 1945.