Gustave Blouin (July 12, 1912 – April 14, 2002) was a Canadian politician and manufacturer. He was elected to the House of Commons of Canada as a Member of the Liberal Party in the 1963 election to represent the riding of Saguenay. He was re-elected in the elections of 1965 then to the new riding of Manicouagan in 1968, 1972 and 1974. During his time in the legislature, he served as a parliamentary secretary to the as well as the . He was also a member of numerous Commons standing committees including , , , and .