Archibald Kelso Roberts (September 11, 1898 – October 8, 1970) was a politician in Ontario, Canada. He was a Progressive Conservative member of the Legislative Assembly of Ontario from 1943 to 1948 and again from 1951 to 1967. Both times he represented the downtown Toronto riding of St. Patrick. He served as a senior cabinet minister in the governments of Leslie Frost and John Robarts.