John Morris Roberts (14 April 1928 – 30 May 2003), often known as J. M. Roberts,was a British historian with significant published works. From 1979 to 1985 he was vice chancellor of the University of Southampton, and from 1985 to 1994, Warden of Merton College, Oxford. He was also well known as the author and presenter of the BBC TV series The Triumph of the West, first broadcast in 1985.