Paul Lahaye (19 April 1902 – 22 April 1983) was a Progressive Conservative party member of the House of Commons of Canada.
Born in Batiscan, Quebec, he was a farmer and life insurance agent by career.
From 1922 to 1949 he was secretary-treasurer of his regional school board.
After serving his only term, the 24th Canadian Parliament, Lahaye was defeated in the 1962 election finishing in third place behind winner Jean-Paul Matte of the Liberal party and Origène Arvisais of the Social Credit party.
[3] Lahaye was also unsuccessful in another attempt to return to Parliament at the Rivière-du-Loup—Témiscouata riding in the 1965 election.