Peter Dwyer was an American football, basketball, and baseball coach and college athletics administrator. He served as the head football coach and head basketball coach at Niagara University from 1923 to 1927. After working as an assistant coach at Syracuse University, Dwyer became the head football coach and head basketball coach at Clarkson University in Potsdam, New York. He was a 1910 graduate of the University of Notre Dame, where he played left halfback on the school's football team.