Michael Coteau (born June 21, 1972) is a politician in Ontario, Canada.
He is a Liberal member of the Legislative Assembly of Ontario who, since 2011, has represented the riding of Don Valley East in Toronto.
He served in cabinet in the government of Kathleen Wynne from 2013 to 2018.
The Liberal party was defeated in the 2018 Ontario general election, and Coteau was one of seven Liberals re-elected.
He serves as the MPP for the riding of Don Valley East and is the Ontario Liberal Party Critic for Infrastructure, Energy, Labour, Economic Development, Job Creation and Trade.
He is seeking the leadership of the Ontario Liberal Party in the 2020 leadership election.