Lac Seul First Nation is an Ojibwe First Nation band government located on the southeastern shores of Lac Seul, 56 kilometres northeast of the city of Dryden, Ontario. Though Lac Seul First Nation is a treaty signatory to Treaty 3, the First Nation is a member of the Independent First Nations Alliance, a regional tribal council and a member of the Nishnawbe Aski Nation. The registered population of Lac Seul was 2,837 persons in April 2008, of which the on-reserve population was 774.