John David Mabbott (b. Duns, 18 November 1898; d. Islip, Oxfordshire 26 January 1988) was President of St John's College, Oxford from 1963 from to 1969. Mabbott was educated at Berwickshire High School; the University of Edinburgh; and St John's. He was a Lecturer in Classics at the University of Reading from 1922 to 1923; and then a Lecturer at the University College of North Wales from 1923 to 1924. He was Fellow of St John's from 1924 to 1963; Tutor from 1930 to 1956; and Senior Tutor from 1956 to 1963. He wrote: 'The State and the Citizen', 1948; 'An Introduction to Ethics', 1966; 'John Locke', 1973; and 'Oxford Memories', 1986.