HMS Narwhal

Three ships of the Royal Navy have borne the name HMS Narwhal, after the marine mammal, the narwhal:


 * HMS Narwhal (1915) was an M class destroyer launched in 1915. She was involved in a collision in 1919 that broke her back, and was broken up in 1920.
 * HMS Narwhal (N45) was a Grampus class submarine launched in 1935 and lost to an unknown cause in 1940.
 * HMS Narwhal (S03) was a Porpoise class submarine launched in 1957 and sunk as a target in 1983.