Thayne Martin McCulloh (born August 20, 1964) is an American social psychologist and academic administrator who is currently serving as the 26th President of Gonzaga University in Spokane, Washington. McCulloh, the first lay President of Gonzaga, was selected as the interim successor of Robert Spitzer, S.J. on July 15, 2009. A year later, on July 16, 2010, McCulloh was appointed President in his own right.