Bostonnais may refer to:
Place names Little Bostonnais River, La Tuque (City), Mauricie, Quebec, Canada Bostonnais River, La Tuque (City), Mauricie, Quebec, Canada La Bostonnais, Quebec (municipality), La Tuque, Mauricie, Quebec, Canada Grand Lake Bostonnais, La Tuque (urban agglomeration), Mauricie, Quebec, Canada Grand River Bostonnais (Portneuf), Portneuf Regional County Municipality, National Capitale Region, Quebec, Canada
Other uses Jean-Baptiste Bostonnais, a trapper Abenaki, namesake of La Bostonnais, Quebec