HMS H28 was a British H class submarine built by Vickers Limited, Barrow-in-Furness, as part of the Batch 3 H class submarines. She was laid down on 18 March 1917 and was commissioned on 29 June 1918. HMS H28 collided with a steamer in the Bruges Canal in May 1929. H28 was scrapped on 18 August 1944 and was broken up in Troon.