Michael J. Garanzini, S.J. (born September 24, 1948 in Saint Louis, Missouri) is an American priest of the Society of Jesus religious order of the Roman Catholic Church in the United States. He currently serves as President of both the International Association of Jesuit Universities and the US-based Association of Jesuit Colleges and Universities. From 2001 until 2015, Garanzini served as the twenty-third President of Loyola University Chicago in Chicago, Illinois, a member of the twenty-seven institution Association of Jesuit Colleges and Universities.