Thomas Joseph Haas (born March 5, 1951) is an American academic who is a former president of Grand Valley State University (GVSU) and a chemistry professor. He currently holds the title of President Emeritus. Prior to coming to GVSU, Haas served as president of the State University of New York at Cobleskill from 2003 to 2006. In 2018, Haas announced his retirement from the presidency. The GVSU Board of Trustees selected Philomena Mantella as the university's next president, effective July 1, 2019.