Submarine warfare in the Black Sea campaigns (1941)

Submarine warfare in the Black Sea in World War II
	Part of the Black Sea Campaigns of the Eastern Front of World War II
	; Submarine L-4 Garibaldets
Date	9 July 1941 – December 1941
Location	Western Black Sea coast
Result	Axis victory
Belligerents
Romania; Bulgaria; Germany; Italy	Soviet Union
Commanders and leaders
Unknown	Unknown
Strength
1 submarine (Delfinul)	47 submarines
Casualties and losses
1 minelayer sunk; 1 cargo ship sunk; 1 minesweeper sunk; 1 cargo ship sunk; 2 tankers sunk; 2 barges lost	7 submarines sunk; 1 tanker sunk
	2 neutral Turkish vessels sunk

Submarine warfare in the Black Sea in World War II during 1941 primarily involved engagements between submarines of the Soviet Black Sea Fleet attacking Axis merchantmen defended by Romanian and Bulgarian warships. These engagements were a part of the naval Black Sea campaigns between Axis and Soviet naval forces.