Marcel Proulx (/ˈpruː/; born 6 March 1946 in L'Orignal, Ontario) is a Canadian politician.Proulx is a former member of the Liberal Party of Canada in the Canadian House of Commons, having represented the riding of Hull—Aylmer from 1999 to 2011. Proulx is a former administrator, businessman, claim adjuster, and executive assistant.