Wahgoshig First Nation, formerly known as Abitibi-Ontario Band of Abitibi Indians or simply as Abitibi, is an Anishinaabe (Algonquin and Ojibwa) and Cree First Nations band government whose reserve communities are located near Matheson in Cochrane District in northeastern Ontario, Canada. They have reserved for themselves the 7,770.1 hectares (19,200.3 acres) Abitibi 70 Indian Reserve on the south end of Lake Abitibi.