John Cappelletti (born August 9, 1952) is a former American football running back. He played professionally in the National Football League (NFL) with the Los Angeles Rams and the San Diego Chargers. Prior to his professional career, he attended the Pennsylvania State University, where he won the Heisman Trophy in 1973. He was inducted into the College Football Hall of Fame in 1993. Penn State football coach, Joe Paterno, said that Cappelletti was "the best football player I ever coached".