HMS Tumult was a T-class destroyer built for the Royal Navy during the Second World War.
Tumult displaced at standard load and at deep load. She had an overall length of , a beam of and a deep draught of . She was powered by two Parsons geared steam turbines, each driving one propeller shaft, using steam provided by two Admiralty three-drum boilers. The turbines developed a total of and gave a maximum speed of . Tumult carried a maximum of of fuel oil that gave her a range of at . Her complement was 170 officers and ratings.
The ship was armed with four 45-calibre 4.7-inch (120 mm) Mark XII guns in dual-purpose mounts. For anti-aircraft (AA) defence, Tumult had one twin mount for Bofors 40 mm guns and four twin Oerlikon autocannon. She was fitted with two above-water quadruple mounts for torpedoes. Two depth charge rails and four throwers were fitted for which 70 depth charges were provided.
On 29 November 1943 German U-boat U-86 was sunk east of the Azores, in position 40ð52'N, 18ð54'W, by depth charges from the British destroyers HMS Tumult and .
In 1946, Tumult was placed into reserve at Portsmouth. She remained in reserve until 1953 when was converted by Grayson Rollo at Birkenhead, into a Type 16 fast anti-submarine frigate, with the new pennant number F121. She emerged from the conversion in 1954. In November 1956 she was part of the 2nd Training Squadron at Portsmouth. Between December 1957 and December 1960 she was part of the Chatham reserve. From December 1960 until October 1965 she was part of the Rosyth reserve.
Following sale for scrap she was taken to Arnott Young at Dalmuir for breaking up, where she arrived on 25 October 1965.