HMS Dunoon was a Hunt-class minesweeper of the Aberdare sub-class built for the Royal Navy during World War I.

The Aberdare sub-class were enlarged versions of the original Hunt-class ships with a more powerful armament.

The engines produced a total of 2,200 indicated horsepower (1,600 kW) and gave a maximum speed of 16 knots (30 km/h; 18 mph).

They carried a maximum of 185 long tons (188 t) of coal[2] which gave them a range of 1,500 nautical miles (2,800 km; 1,700 mi) at 15 knots (28 km/h; 17 mph).

In April 1940 she struck a mine at Smith's Knoll near Great Yarmouth and sank with the loss of 3 officers and 23 ratings.