KGK can refer to:

Kaiwá language, Guarani language spoken in Argentina and Brazil Koliganek Airport, an airport in Koliganek, Alaska, U.S. Kongra-Gel, former name of the Kurdistan Workers' Party Korszerűsített Gorjunov-Kucher, Soviet machine gun model Kutch Gurjar Kshatriya, a Hindu community in Gujarat, India