Jack Forsyth "Cy" McClairen (born March 2, 1931) is a former American football player and coach. He played professionally as an end for the Pittsburgh Steelers of the National Football League (NFL). He was drafted in 1953, but served a two-year stint in the Army. At Bethune–Cookman University, McClairen had duties as head coach in football and basketball as well as duties as athletic director. He served as head football coach from 1961 to 1972 and again from 1994 to 1996. He also coached the most wins for men's basketball in Bethune–Cookman history, having amassed a record of 397–427 in 31 total seasons.