Louis Guy LeBlanc (23 January 1921 – 10 November 1990) was a Liberal party member of the House of Commons of Canada.
He was born in Saint-Gabriel, Quebec and became a consulting forestry engineer, land surveyor and life insurance agent by career.
He was first elected at the Rimouski riding in
the 1965 general election, then re-elected there in the 1968 election.
After completing his term in the 28th Canadian Parliament, LeBlanc was defeated at Rimouski in the 1972 federal election.