Thomas Cyril "Cy" Kasper (May 27, 1895 – December 28, 1991) was an American football player and coach.
He served as the head football coach at Alfred University in Alfred, New York from 1923 to 1924 and South Dakota State University from 1928 to 1933.Kasper played college football at the University of Notre Dame from 1919 to 1920 under head coach Knute Rockne.
He originally played inter-hall football until being recommended to play varsity football by other football players.
Coach Rockne pushed Kasper to take the 1927 head coaching position at the University of Wyoming, but he headed to South Dakota State instead.