The Wahnapitae First Nation (Ojibwe: Wahnapitaeping) is an Ojibway First Nation band government in the Canadian province of Ontario, who primarily reside on the 1,036-hectare (2,560-acre) Wahnapitae Indian Reserve No. 11 on the northwestern shore of Lake Wanapitei. The First Nation is a signatory to the Robinson-Huron Treaty of 1850 as the Tahgaiwenene's Band. The reserve had a resident population of 102 in the Canada 2011 Census; the First Nation also has approximately 200 further registered members who currently live off-reserve.