Dustin Duncan is a Canadian provincial politician. He is the Saskatchewan Party member of the Legislative Assembly of Saskatchewan for the constituency of Weyburn-Big Muddy.Elected in the June 2006 byelection at the age of 26, Dustin was named to a newly created Youth Opportunities critic portfolio by Opposition Leader Brad Wall. He is the minister responsible for the Saskatchewan Watershed Authority.Raised in Halbrite, Duncan is a graduate of the Weyburn Comprehensive School and has a B.A.