HMS Stayner was a British Captain-class frigate of the Royal Navy in commission during World War II.

The ship was laid down as the unnamed U.S. Navy destroyer escort DE-564 by Bethlehem-Hingham Shipyard, Inc., in Hingham, Massachusetts, on 22 September 1943 and launched on 6 November 1943.

[1] Commissioned into service in the Royal Navy as the frigate HMS Stayner (K573) on 30 December 1943 simultaneously with her transfer, the ship served on patrol and escort duty.

[1][3] On 5 August 1944, she joined the British destroyer HMS Wensleydale in a depth charge attack which sank the German submarine U-671 in the English Channel south of Brighton, England, at 0200 hours at position 50°23′00″N 000°06′00″E / 50.38333°N 0.10000°E / 50.38333; 0.10000 (U-671 sunk).

[1] The United States sold Stayner on 14 November 1947 for scrapping.