Soviet submarine S-101

S-101 was an S-class submarine of the Soviet Navy. Her keel was laid down in Gorkiy on 20 June 1937. She was launched on 20 April 1938 and commissioned on 15 December 1940 in the Northern Fleet.

Service history
S-101 served in Northern Fleet; the most notable success of this boat was the torpedoing and sinking of German U-boat GS U-639 in the Kara Sea. S-101 was awarded with Order of the Red Banner because of the success.