Joseph Langlois (15 April 1909 – 19 November 1964) was a Liberal party member of the House of Commons of Canada. Born in Varennes, Quebec, he was a notary by career.
He was first elected at the Berthier—Maskinongé riding in the 1949 general election then re-elected for successive terms at Berthier—Maskinongé—delanaudière in 1953 and 1957. After completing his final federal term, the 23rd Canadian Parliament, Langlois did not seek re-election in the 1958 election.