The Canadian Coast Guard Auxiliary is a Canada-wide volunteer marine association dedicated to marine search and rescue (SAR) and the promotion of boating safety, through association with the Canadian Coast Guard under the auspices of Canada's National Search and Rescue Program.

The Canadian Coast Guard is the coast guard of Canada. Formed in 1962, the coast guard is tasked with marine search and rescue (SAR), communication, navigation, and transportation issues in Canadian waters, such as navigation aids and icebreaking, marine pollution response, and support for other Canadian government initiatives. The Coast Guard operates 119 vessels of varying sizes and 23 helicopters, along with a variety of smaller craft. The CCG is headquartered in Ottawa, Ontario, and is a special operating agency within Fisheries and Oceans Canada.