GCK

GCK may refer to:


 * Government College, Kasaragod, in Kerala, India
 * Garden City Regional Airport, in Kansas, United States
 * GCK Lions, a Swiss hockey team
 * Georges Creek Railway, in Maryland, United States
 * Glucokinase
 * Government College, Kattappana, in Kerala, India
 * MAP4K2, an enzyme
 * GC Kompetition, a French motorsport team