HMS Havock (H43) was an H-class destroyer of the Royal Navy laid down by William Denny, Brothers and Company, Limited, of Dumbarton in Scotland on 15 May 1935, launched on 7 July 1936 and commissioned on 18 January 1937. Havock participated in the First Battle of Narvik in April 1940, the Battle of Cape Spada in July 1940, the Battle of Cape Matapan in March 1941 and the evacuation of Greece in April 1941. In March 1942, she was damaged during the Second Battle of Sirte. Havock ran aground off Kelibia in the Strait of Sicily while on passage from Malta to Gibraltar on 6 April 1942 and was wrecked. She was later torpedoed by the enemy Italian submarine Aradam .

See HMS Havock for other ships of this name.