John Duff Robertson

John Duff Robertson (March 26, 1873^[1] – 1939^[2]) was a druggist and political figure in Saskatchewan. He represented Canora in the Legislative Assembly of Saskatchewan from 1908 to 1917 as a Liberal.

He was born in Chesterfield, Oxford County, Ontario, the son of the Reverend William Robertson^[3] and Elizabeth Duff,^[1] and educated in Elora and at the Ontario College of Pharmacy in Toronto. He lived in Canora, Saskatchewan.^[3]

His brother William was a physician in Elora, Ontario,^[1] whose daughter Marion married and later divorced Frederick Banting.^[4]