GK or Gk may refer to:
GKN plc is a British multinational automotive and aerospace components company headquartered in Redditch, Worcestershire.
GKIDS is an American film distributor based in New York with, according to the Los Angeles Times, a focus on "sophisticated, indie" animation.
GKN Driveline is a multinational automotive components manufacturer specialising in driveline technologies.
GKK Etzenricht, abbreviation for Gleichstromkurzkupplung Etzenricht, that means Etzenricht HVDC-back-to-back station, was an HVDC back-to-back facility near Etzenricht in the district of Neustadt an der Waldnaab in Bavaria, Germany.
GKS Katowice (Polish pronunciation: [katɔˈvitsɛ]; GKS stands for Górniczy Klub Sportowy ; "Miners Sporting Club") is a Polish football club based in Katowice, Poland.
GK Films (formerly Initial Entertainment Group) is a British film and television production company founded in 1990 by Graham King.
The GK Dürnrohr (German abbreviation for Gleichstromkurzkupplung Dürnrohr, in English meaning Dürnrohr HVDC-Back-to-Back Station) was a high-voltage direct current back-to-back scheme west of Dürnrohr substation, which was used for the energy exchange between Austria and Czechoslovakia between 1983 and 1996. The installation is no longer in use.
GKS Tychy is a Polish professional football club, based in Tychy, Poland, that plays in the Polish I Liga.