WGN may refer to:
"World's Greatest Newspaper", former slogan of the Chicago Tribune and the namesake for the WGN broadcasting outlets in Chicago, Illinois. WGN (AM), a radio station (720 AM) licensed to Chicago, Illinois, United States WGN-TV, a television station (channel 9.1 virtual/19 digital) licensed to Chicago, Illinois, United States WGN America, a cable television network based in Chicago, Illinois, United States Shaoyang Wugang Airport, IATA code WGN White Gaussian noise Additive white Gaussian noise The ICAO airline designator for Western Global Airlines WGN, Journal of the International Meteor Organization WorldGaming Network Wigan North Western railway station, located on the West Coast Main Line (station code WGN)