William John Koman (born September 16, 1934 in Ambridge, Pennsylvania) is a former professional American football linebacker who played in the National Football League for the Baltimore Colts, Philadelphia Eagles, and the Chicago / St. Louis Cardinals. He played college football at the University of North Carolina and was drafted in the eighth round of the 1956 NFL Draft. Koman was a two-time Pro Bowl selection for the Cardinals in 1962 and 1964.