The Montagnais, or Innu, are a First Nation in Canada.
Montagnais (meaning mountaineers in French) may also refer to:
Montagnais of Natashquan, an Innu First Nation band government in Quebec Old Montagnais, the period in the history of the Innu language preceding its current form Montagnais language Chipewyan people, a Dene Indigenous Canadian people Montagnais crater, a crater off the coast of Nova Scotia Poste Montagnais, Quebec, an electrical substation in Quebec, on the transmission lines connecting to the Churchill Falls Generating Station Poste Montagnais Airport, an airport at the electrical substation in Quebec
See also Montagnard (disambiguation), another French term with the same meaning