Joseph A. Sellinger, S.J. (January 17, 1921 – April 19, 1993) was an American Catholic priest and Jesuit. He served as the President of Loyola College in Maryland from 1964 to 1993, making him the longest-serving president of any Jesuit university in the United States at the time. During his presidency, he oversaw a significant transformation and growth of the school, including its merger with Mount Saint Agnes College, the admission of female students, the creation of an independent School of Business and Management (which was later named in his honor), and substantial increases in the school's endowment, number of professors, and campus. Prior to his appointment as president, he was a professor of theology at Georgetown University in Washington, D.C., and served as the Dean of Georgetown