William Earl Bergey (born February 9, 1945) is a former American football linebacker who played professionally for 12 seasons, most notably with the Philadelphia Eagles of National Football League (NFL). He was drafted by the Cincinnati Bengals of the American Football League (AFL) in 1969, the year before the AFL–NFL merger was completed, and continued to play with the Bengals in the NFL until 1973. Bergey subsequently signed with the Eagles the following year, where he played seven seasons until retiring in 1981. During his career, Bergey was named to five Pro Bowls, was a two-time first-team All-Pro, and made one Super Bowl appearance in Super Bowl XV, his final professional game. He is an inductee of the Eagles Hall of Fame and the Philadelphia Sports Hall of Fame.