GK
GK stands for:
- Guarantee & goodwill, for example for costs
- Gauss-Krüger coordinate system , a Cartesian coordinate system that enables sufficiently small areas of the earth to be located conformally (angularly) with metric coordinates (easting and northing)
- Opposite cathetus
- Item catalog (medicine)
- Overhead
- Social studies
- General catalog
- Consulate General , a consular mission abroad of a sovereign state that is organized independently (independent of the consular section of the embassy)
- Geological map in the scales 1: 25,000 (GK 25), 1: 50,000 (GK 50) and 1: 100,000 (GK 100)
- Total capital
- Return on investment
- Overall conference
- Total costs , a term from cost and performance accounting
- Society for Orthodontic Dental Technology eV
- Society for Cognitive Science
- Tissue culture
- Poison class
- Plasterboard
- Lattice constant
- DC coupling
- Gmundner Keramik , an Austrian ceramic brand from the Gmundner Keramik-Manufaktur for art and utility ceramics from Gmunden in the Salzkammergut
- Gōdō kaisha
- Grafenbruch Circle
- Graphics card , controls graphics output in a computer
- Large caliber
- Basic course
- Monogrammist GK
- Laker Airways (IATA code), British airline
GK as mintmaster's mark
- of the mint master Georg Kruckenberg (1637–1640) on the Weidenbaumtalern of the Kassel mint
GK as a distinguishing mark on license plates:
- Germany: District of Heinsberg (for Geilenkirchen )
- Great Britain: Maidstone
- Austria: Consul in Styria
- ( ГK ) Belarus: Police in Hrodsenskaja Woblasz
