Charles Richard Allen (September 7, 1939 – December 14, 2016) was an American professional football player. He was a linebacker who played in the American Football League (AFL) with the San Diego Chargers, and later the National Football League (NFL) with the Pittsburgh Steelers and Philadelphia Eagles. He played in four AFL Championship games (1961, 1963, 1964, and 1965), and was a member of the Chargers' 1963 AFL Championship team. Allen was an All-AFL player in 1961, and an AFL Western Division All-Star in 1961, 1963, and 1964.