Five ships of the Royal Navy have borne the name HMS Sentinel:
HMS Centinel 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.
