PGK

PGK may refer to:


 * Papua New Guinean kina, the currency of Papua New Guinea by ISO 4217 code
 * Pasukan Gerakan Khas, a Malaysian police special operations unit
 * Phosphoglycerate kinase, an enzyme
 * XM1156 Precision Guidance Kit, a U.S. Army program for artillery shells
 * Depati Amir Airport, Indonesia