Gordon Samuel MacMurchy was a Canadian politician, who represented the electoral district of Last Mountain from 1971 to 1975, and Last Mountain-Touchwood from 1975 to 1982, in the Legislative Assembly of Saskatchewan. He was a member of the Saskatchewan New Democratic Party. He served as a cabinet minister in the government of Allan Blakeney.The son of Edward Gordon MacMurchy and Laura Geiger, he took over the operation of the family farm in 1962.