Donald Joseph Guter (born June 26, 1948) is an American educator, lawyer and former United States Navy rear admiral who was the 10th president and dean of South Texas College of Law Houston from 2009 to 2019. He previously served as the 10th dean of the Duquesne University School of Law from 2005 to 2008, when he was dismissed by Duquesne University president Charles J. Dougherty over a tenure battle.