German submarine U-536 was a Type IXC U-boat of Nazi Germany's Kriegsmarine during World War II.
She was laid down at the Deutsche Werft (yard) in Hamburg as yard number 354 on 13 March 1942, launched on 21 October and commissioned on 13 January 1943 with Kapitänleutnant Rolf Schauenburg in command.
U-536 began her service career with training as part of the 4th U-boat Flotilla from 13 January 1943. She was reassigned to the 2nd flotilla for operations on 1 June.
She carried out two patrols, but did not sink any ships. She was a member of one wolfpack.
She was sunk by the British frigate Nene and Canadian corvette Snowberry on 19 or 20 November 1943 while she was attacking Convoy SL 139/MKS 30 northeast of the Azores.