David Roy Butz (June 23, 1950 – November 4, 2022) was an American professional football player who was a defensive tackle in the National Football League (NFL) for the St. Louis Cardinals and the Washington Redskins in a 16-year career from 1973 to 1988. During his time with Washington, as the team's defensive "anchor", he helped the Redskins reach the Super Bowl thrice, winning twice. He was named as one of the 70 Greatest Redskins in franchise history and a member of the NFL 1980s All-Decade Team. Before turning professional, he played college football for the Purdue Boilermakers. He was inducted to the College Football Hall of Fame in 2014.