Saint-Lambert (, ) is a parish municipality in northwestern Quebec, Canada, in the Abitibi-Ouest Regional County Municipality. It had a population of 191 in the 2021 Canadian census. The municipality was incorporated on May 14, 1938.
In the 2021 Census of Population conducted by Statistics Canada, Saint-Lambert had a population of living in of its total private dwellings, a change of from its 2016 population of . With a land area of , it had a population density of in 2021.
Municipal council (as of 2023):
List of former mayors: