HMCS Carlplace was a River-class frigate that served with the Royal Canadian Navy during the Second World War.

[2] The River-class frigate was designed by William Reed of Smith's Dock Company of South Bank-on-Tees.

[4] The name "frigate" was suggested by Vice-Admiral Percy Nelles of the Royal Canadian Navy and was adopted later that year.

[4] 15 Canadian frigates were initially fitted with a single 4-inch gun forward but with the exception of HMCS Valleyfield, they were all eventually upgraded to the double mount.

[5] For underwater targets, the River-class frigate was equipped with a Hedgehog anti-submarine mortar and depth charge rails aft and four side-mounted throwers.

[4] River-class frigates were the first Royal Canadian Navy warships to carry the 147B Sword horizontal fan echo sonar transmitter in addition to the irregular ASDIC.

After repairing she proceeded to work up at Bermuda and upon her return was assigned to escort group EG 16 based out of Derry.

En route to joining her group in Europe, Carplace escorted a Royal Navy submarine.

The refit began on 2 June 1945 at Saint John, New Brunswick, switching to Shelburne, Nova Scotia on 10 July before being called off on 20 August.