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. Duncan retained his seat in the general election held on November 7, 2007 and became the Minister of Health in the Saskatchewan Government.