Bill Mathis (December 10, 1938 – October 20, 2020) was an American professional football player who was a running back for the New York Titans/Jets in the American Football League (AFL). He played college football for the Clemson Tigers. He started his professional career with the Titans, and played his entire career with the AFL's New York franchise. One of four Titans who remained with the New York Jets to play in and win a Super Bowl, Mathis led the AFL in carries in 1961 and was selected by his peers to the Sporting News 1961 AFL All-League team. He was an AFL Eastern Division All-Star in 1961 and 1963. Mathis had a collarbone broken in the third game of 1961, against the Boston Patriots. He played in the next game, and in fact in all the remaining games of the season.