Marcel Bélanger, OC GOQ (June 2, 1920 – May 2, 2013) was a Canadian academic. Born in Deschaillons, Quebec, he received a Bachelor of Arts degree in 1940 and a Master of Commerce degree in 1943 from Université Laval. He received a Master of Arts in economics from Harvard University in 1948. From 1946 to 1972, he was a professor of economics at the Université Laval. From 1946 to 1977, he was a founding partner of the Chartered Accountant firm, Bélanger Dallaire Gagnon & Associates (today part of Ernst & Young).