HMS Hostile (H55) was an H-class destroyer built for the Royal Navy in the 1930s. She was the first and so far only Royal Navy ship to bear the name Hostile. During the Spanish Civil War of 1936–1939 the ship spent considerable time in Spanish waters, enforcing the arms blockade imposed by Britain and France on both sides of the conflict. She was transferred to Freetown, Sierra Leone, in October 1939 to hunt for German commerce raiders in the South Atlantic with Force K. Hostile participated in the First Battle of Narvik in April 1940 and the Battle of Calabria in July 1940. The ship was damaged by a mine off Cape Bon in the Strait of Sicily while on passage from Malta to Gibraltar on 23 August 1940. She was then scuttled by HMS Hero.