Sir Richard Hughes "Rick" Trainor (born 31 December 1948), is an academic administrator and historian who served as the Principal of King's College London from 2004 to 2014.
He was previously the Vice-Chancellor of the University of Greenwich from 2000 to 2004.
He is currently Rector of Exeter College, Oxford.
Trainor was born in the United States.
He was awarded an honorary knighthood (KBE) in June 2010 for services to higher education in the United Kingdom.
The award was honorary because of his American nationality, but on 31 December 2010 the knighthood was made substantive by Queen Elizabeth II following his assumption of British nationality.