HMS Duff (K352) was a British Captain-class frigate of the Royal Navy that served during World War II.

The ship was laid down as the U.S. Navy destroyer escort USS Lamons (DE-64) by Bethlehem-Hingham Shipyard, Inc., in Hingham, Massachusetts, on 22 February 1943 and launched on 22 May 1943.

[2] Commissioned into service in the Royal Navy as the frigate HMS Duff (K352) on 23 August 1943 simultaneously with her transfer, the ship served on patrol and escort duty.

At 0745 on 30 November 1944, she struck a mine in the North Sea off Ostend, Belgium, suffering three dead.

Although badly damaged, she managed to limp back to port at Harwich, England.