Gleason Belzile (August 30, 1898 – July 25, 1950) was a Canadian politician and notary. He was elected to the House of Commons of Canada in 1945 as a Member of the Liberal Party to represent the riding of Rimouski. He was re-elected in 1949. He was made for three terms. He died while in office and a by-election was held in which Joseph Hervé Rousseau succeeded him.