Authier () is a municipality in northwestern Quebec, Canada, in the Abitibi-Ouest Regional County Municipality. It had a population of 290 in the 2021 Canadian census.
The municipality was constituted on September 20, 1918, and is named after Hector Authier (1881âÂÂ1971).
Authier was founded on September 20, 1918.
Private dwellings occupied by usual residents (2021): 129 (total dwellings: 134)
Mother tongue (2021):
Municipal council (as of 2023):
List of former mayors: