Maurice LamontagnePCFRSCFRSA (September 7, 1917 – June 12, 1983) was a Canadian economist and politician.
Born in Mont-Joli, Quebec, he graduated from Université Laval with a master's degree in social science and Harvard University with a master's in economics. He was a professor of economics at Université Laval. In 1954, he became an assistant deputy minister in the Department of Northern Affairs and National Resources headed by Jean Lesage. In 1957, he joined the faculty of the University of Ottawa as a professor of economics. From 1958 to 1963, he served as an adviser to Lester B. Pearson.
1The department was eliminated in 1993 when the government was reorganized. The position of Secretary of State for Canada was not legally eliminated until 1996 when its remaining responsibilities were assigned to other cabinet positions and departments, particularly the newly created position of Minister of Canadian Heritage.