HMCS Winnipeg is a Halifax-class frigate that has served in the Royal Canadian Navy since 1996. Winnipeg is the ninth ship in her class, whose design emerged from the Canadian Patrol Frigate Project. She is the second Canadian warship to carry the name HMCS Winnipeg. Winnipeg serves on Canadian Forces MARPAC missions protecting Canada's sovereignty in the Pacific Ocean and the Arctic Ocean and in enforcing Canadian laws on its territorial oceans and Exclusive Economic Zone. The vessel has been deployed on missions throughout the Pacific, and also to the Indian Ocean; specifically on anti-terrorism operations in the Persian Gulf and the Arabian Sea, and counter-piracy operations off the coast of Somalia. The ship is assigned to the Maritime Forces Pacific (MARPAC), and she has her home port at the Canadian Forces Maritime Base at Esquimalt.

The Halifax-class frigate, also referred to as the City class, is a class of multi-role patrol frigates that have served the Royal Canadian Navy since 1992. The class is the outcome of the Canadian Patrol Frigate Project, which dates to the mid-1970s. HMCS Halifax was the first of an eventual twelve Canadian-designed and Canadian-built vessels which combine traditional anti-submarine capabilities with systems to deal with surface and air threats as well. Ships of the class are named after capital cities of Canadian provinces, the capital of Canada, Ottawa, and the major cities of Calgary, Montreal, and Vancouver.