German submarine U-90 (1941)

German submarine U-90 was a Type VIIC U-boat of the Nazi German Kriegsmarine during World War II.

She was laid down at the Flender Werke in Lübeck as 'werk' 294 on 1 October 1940, launched on 25 October 1941 and commissioned on 20 December with Kapitänleutnant Hans-Jürgen Oldörp in command.

After training with the 8th U-boat Flotilla, U-90 was assigned to the 9th flotilla on 1 July 1942 for operations. She was a member of one wolfpack in a patrol in which she was sunk by a Canadian warship.

Patrol and loss
Having departed Kiel on 30 June 1942, the boat hugged the southern Norwegian coast before turning west and sailing through the 'gap' separating the Faroe and Shetland Islands. She was attacked and sunk by depth charges from the Canadian destroyer HMCS ST. Croix in the Northern Atlantic on 24 July.