was a British H class submarine
built by Vickers 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.
- Submarines, War Beneath The Waves, From 1776 To The Present Day, by Robert Hutchinson.