Loutre may refer to:
Place names Saint-Cirgues-la-Loutre, a French commune in the department of Corrèze in the Limousin region La Loutre Dam, the original dam on the Gouin Reservoir built in 1916–1917 on the Saint-Maurice River in Quebec, Canada Lac à la Loutre (Rivière-aux-Outardes), a freshwater body at the head of rivière aux Anglais in Quebec, Canada Rivière à la Loutre (Gouffre River tributary), in Capitale-Nationale, Quebec, Canada
Individuals Abbot Jean-Louis Le Loutre, 18th century French military leader directing battles of the Anglo-Micmac war, in Acadia, in Canada