Stephen Clark Worster (July 8, 1949 – August 13, 2022) was an American professional football player who was a fullback for the Hamilton Tiger-Cats in the Canadian Football League (CFL). Following his prep career in Texas, he played college football for the Texas Longhorns under coach Darrell Royal. A two-time All-American, Worster was the inspiration for the team's wishbone formation, and won two national championships with the Longhorns.