William John Koman (September 16, 1934 – November 1, 2019) was a professional American football linebacker who played in the National Football League (NFL) 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.

[2] This biographical article relating to an American football defensive lineman born in the 1930s is a stub.