John Duncan MacLean
 John Duncan MacLean (8 December 1873 in Culloden Prince Edward Island – 28 March 1948 in Ottawa Ontario) was a teacher physician politician and the 20th Premier of British Columbia Canada. MacLean was a practicing doctor in the city of Greenwood when he was elected in the 1916 election to the provincial legislature as a Liberal. He served as Minister of Education and Provincial Secretary in the cabinets of Harlan Carey Brewster and John Oliver before becoming Minister of Finance in 1924.