WGN, an acronym referring to the Chicago Tribune's longtime slogan "World's Greatest Newspaper", may refer to the following properties owned by Tribune Company:

  • WGN-TV (virtual channel 9, digital channel 19), an independent television station and formerly The CW affiliate in Chicago
  • WGN America, the national superstation feed of WGN-TV
  • WGN (AM) (820 kHz.), a news/talk radio station in Chicago