Brunswick House First Nation is an Ojibway-Cree First Nation in the Canadian province of Ontario, located in the Sudbury District, 157 kilometres (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.