Léo Duguay (born 13 March 1944 in St. Boniface, Manitoba) was a Progressive Conservative party member of the Canadian House of Commons. He was an educator and school administrator prior to getting elected.
Duguay was elected at the riding of Saint Boniface in the 1984 federal election and served in the 33rd Canadian Parliament. He left federal politics after the 1988 federal election after being defeated by Ron Duhamel of the Liberal party.