Francis Martin-Xavier Campbell (born 20 April 1970) is a British diplomat and academic. Since January 2020, he has been the Vice-Chancellor of the University of Notre Dame Australia. From 2014 to 2020, he was the Vice-Chancellor of St Mary's University, Twickenham. From 2005 to 2011, he was the British Ambassador to the Holy See. He is an Honorary Fellow of St Edmund's College, Cambridge.