HMCS Oshawa was a reciprocating engine-powered Algerine-class minesweeper built for the Royal Canadian Navy during the Second World War.

They carried a maximum of 660 long tons (671 t) of fuel oil that gave them a range of 5,000 nautical miles (9,300 km; 5,800 mi) at 10 knots (19 km/h; 12 mph).

Many Canadian ships omitted their sweeping gear in exchange for a 24-barrel Hedgehog spigot mortar and a stowage capacity for 90+ depth charges.

Named for the city of Oshawa, Ontario, the ship was launched on 10 June 1943 and commissioned into the Royal Canadian Navy on 6 July 1944 at Port Arthur.

[4] As part of escort group W-6, Oshawa aided in the capture of the German Type IX submarine U-889 on 12 May 175 miles (282 km) southeast off the coast of Cape Race, Newfoundland.