Paul Lahaye (19 April 1902 – 22 April 1983) was a Progressive Conservative party member of the Canadian House of Commons. 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. Between 1945 and 1948 he was secretary-treasurer of the municipality of Batiscan, Quebec.He was first elected at the Champlain riding in the 1958 general election.