John Archie MacKenzie (September 12, 1934 — July 18, 2017) was a Canadian former politician. He represented the electoral district of Inverness in the Nova Scotia House of Assembly from 1970 to 1981 and Inverness North from 1981 to 1984. He was a member of the Nova Scotia Liberal Party. MacKenzie was born in Inverness, Nova Scotia. He attended St. Francis Xavier University and Nova Scotia Teachers College, becoming a school teacher. In 1962, he married Dorothy Agnes LeBlanc. He died at his home in Belle Cote, Nova Scotia, on July 18, 2017.