Wahnapitae First Nation is an Anishinaabeg First Nation in the Canadian province of Ontario. It is located on the 10.69 km2 (4.13 sq mi) Wahnapitae 11 reserve on the northwestern shore of Lake Wanapitei, a semi-enclave bordered by the city of Greater Sudbury to the north and west. The band is a signatory to the Robinson-Huron Treaty of 1850.