GK

GK or Gk may mean:
* General Knowledge
* Gabriel Knight, a series of adventure games.
* Gallien-Krueger, an instrument amplifier company.
* Gameknot, an online chess-playing website
* Garrison Keillor, an American radio show host.
* Gawad Kalinga, an anti-poverty movement based in the Philippines.
* Genghis Khan emperor of Asia.
* Gigakelvin, an SI unit of temperature.
* Goalkeeper, in sports short-hand.
* Greater Kailash (New Delhi, India.
* Guernsey: FIPS PUB 10-4 territory code.
* Geilenkirchen, a German city.
* Gyakuten Kenji, a video game for the Nintendo DS.
* Graham-Kapowsin High School in Pierce County, Washington.