Sovyetsky Voyenno-Morskoy Flot (Soviet Military Maritime Fleet)
Submarines
List of Soviet Union (USSR) submarines during World War II.

Leninec-class submarine (L Class)
L-15  ultimate fate unknown
L-16  sunk October 11, 1942 by I-25
L-19  sunk August 24, 1945 cause unknown, possibly impacted mine