Sir Ralph Waller KBE (born 11 December 1945) is Director of the Farmington Institute at Oxford, former Principal of Harris Manchester College, Oxford (1988-2018) and a Pro-Vice-Chancellor of the University of Oxford (2010-2018). He is a British Methodist Minister. Ralph Waller was born in Lincolnshire and educated at the University of London (BD) and the University of Nottingham (MTh) and completed a PhD at King's College London. He was knighted in the Queen's Birthday Honours of 2018 for services to education.