Harry Mattos (April 7, 1911 - February 5, 1992), nicknamed "The Horse" or "The Toe", was an American football halfback in the National Football League (NFL) for the Green Bay Packers and the Cleveland Rams. He played college football at the St. Mary's College of California. In 1934, Mattos threw for two touchdown passes in a 14-9 win over Fordham University.