Diane Marleau, Canadian accountant and politician, Canadian Minister of Health (d. 2013)
Diane Marleau, (June 21, 1943 – January 30, 2013) was a Canadian politician. She represented the riding of Sudbury in the House of Commons of Canada from 1988 to 2008, and was a cabinet minister in the government of Jean Chrétien. Marleau was a member of the Liberal Party of Canada.

She was married to Paul Marleau, a prominent businessman in Sudbury who ran for mayor of the city in the 2003 municipal election.