HMCS Trail was a Flower-class corvette that served with the Royal Canadian Navy during the Second World War.

[4][5][6] The "corvette" designation was created by the French for classes of small warships; the Royal Navy borrowed the term for a period but discontinued its use in 1877.

She was laid down by Burrard Dry Dock Co. Ltd. at Vancouver, British Columbia and launched 16 October 1940.

[12] After returning to service, Trail joined Halifax Force in June 1942 escorting convoys between Labrador and Quebec City.

During her time with Halifax Force, in late August she picked up survivors from the American passenger ship Chatham that had been torpedoed and sunk by U-517 in the Belle Isle Strait.

[11] Six days later on 3 September 1942, Trail helped HMCS Shawinigan rescue 17 survivors from the Canadian merchant ship Donald Stewart, which had also been sunk by the U-517.

In December 1944, after working up, Trail joined escort group W-4, which she remained with for the rest of the war.