Authier (French pronunciation: [otje]) 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 (1881–1971).

[1] Private dwellings occupied by usual residents (2021): 129 (total dwellings: 134)[3] Mother tongue (2021):[3] Municipal council (as of 2023):[5] List of former mayors:

This Abitibi-Témiscamingue location article is a stub.