Beausoleil First Nation (Ojibwe: G'Chimnissing) is an Ojibwe First Nation band government located in Simcoe County, Ontario, Canada. The main settlement of the Beausoleil First Nation is on Christian Island, Ontario, Canada in southern Georgian Bay. As of 2018, the total number of status Native Americans registered with the First Nation is 2,587. The on-reserve population is 614.