Langlois was born in Sainte-Marthe-de-Gaspé, Quebec and was educated at Collège Notre-Dame-des-Champs. He was elected in the 1988 federal election at the Manicouagan electoral district for the Progressive Conservative Party.
Langlois originated from Sainte-Marthe-de-Gaspé, Quebec and pursued his education at Collège Notre-Dame-des-Champs. In the 1988 federal election, he secured a position in the Manicouagan electoral district for the Progressive Conservative Party.