John Wiedeman is an American broadcaster who currently serves as the radio play-by-play announcer for the National Hockey League's Chicago Blackhawks.
Wiedeman succeeded the popular Pat Foley as the Hawks' radio announcer for the 2006–2007 season. He previously was the radio voice of the New York Islanders from 2001 to 2006 and for the Philadelphia Flyers in the 1996–97 season. He also worked for several minor league teams, including the Cincinnati Cyclones, Muskegon Fury and Worcester IceCats.
Wiedeman is a graduate of the University of Kansas.