Thomas Robert Plough (born 1941) is an American sociologist most notable for having served as president of North Dakota State University and Assumption College. Plough is a graduate of Michigan State University. He began his career at Alma College, where he rose to serve as dean of students. He moved to the Eisenhower College and later the Rochester Institute of Technology where he was eventually appointed provost. He also briefly served as acting RIT president in 1991 and again in 1992. Plough resigned in the wake of the same scandal that led to the early retirement of M. Richard Rose.