Brunswick House First Nation

Brunswick House First Nation is an Ojibway-Cree First Nations in the Canadian province of Ontario, located in the Sudbury District, 157 km (97.6 mi) northeast of Sault Ste Marie, Ontario. The First Nation have reserved for themselves the 9,054.2 hectares (22,373.4 acres) Mountbatten 76A Indian Reserve and the 259.8 hectares (642.0 acres) Duck Lake 76B Indian Reserve. As of June 2025, it had a registered population of 763 members, of which 121 live on-Reserve.

Brunswick House is policed by the Nishnawbe-Aski Police Service, an Aboriginal-based service.