| Gleason Belzile | |
| Constituency Mp: | Rimouski |
| Parliament: | Canadian |
| Predecessor: | Joseph-Émile-Stanislas-Émmanuel D'Anjou |
| Successor: | Joseph Hervé Rousseau |
| Term Start: | 1945 |
| Term End: | 1950 |
| Birth Date: | August 30, 1898 |
| Birth Place: | Rimouski, Quebec, Canada |
| Nationality: | Canadian |
| Party: | Liberal Party |
| Occupation: | notary |
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 Parliamentary Assistant to the Minister of Finance for three terms. He died while in office and a by-election was held in which Joseph Hervé Rousseau succeeded him.