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.
GKS Tychy is a Polish professional football club, based in Tychy, Poland, that plays in the Polish I Liga.
GKK Etzenricht, an abbreviation of Gleichstromkurzkupplung Etzenricht, meaning 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: [ɡʲɛ ka ˈɛs katɔˈvitsɛ]; GKS stands for Górniczy Klub Sportowy, "Miners Sporting Club") is a Polish football club based in Katowice, Poland.
GKN Automotive is the leading automotive driveline technology and systems engineer. GKN Automotive is a global partner to the automotive industry.
PGE GKS Bełchatów [ˌpɛɡʲɛˈʔɛ ˌɡʲɛkaˈɛs bɛwˈxatuf] is a professional football club that competes in the Polish First League.
Građanski košarkaški klub Šibenka (English: Šibenka Civic Basketball Club), commonly referred to as GKK Šibenka, or simply Šibenka, is a men's professional basketball club based in Šibenik, Croatia.