

Dates: 1945 - 1962
HMS Sentinel was an S class submarine of the Royal Navy, and part of the Third Group built of that class. She was built by Scotts of Greenock and launched on July 27, 1945.
Commissioned after the end of the Second World War, she had a relatively peaceful career, and was sold on February 28, 1962, being broken up at Gillingham.
Five ships of the Royal Navy have borne the name HMS Sentinel:
HMS Sentinel was a 12-gun brig, formerly named Friendship. She was purchased in 1804 and wrecked in the Baltic in 1812.
HMS Sentinel was a Sentinel class scout cruiser launched in 1904 and sold in 1923.
HMS Sentinel was an S class destroyer, renamed HMS Scorpion before being launched in 1942.
HMS Sentinel was an S class submarine launched in 1945 and scrapped in 1962.
HMS Sentinel was a patrol vessel purchased in 1983. She was previously named Seaforth Warrior and Edda Sun. She was commissioned in 1984 and paid off in 1992. She was sold in 1993.