GCK
| Acronym | Definition |
|---|---|
| GCK | Garden City (Amtrak station code; Garden City, KS) |
| GCK | Glucokinase |
| GCK | Gminne Centrum Kultury (Polish: Municipal Cultural Center) |
| GCK | Gene Construction Kit (Textco BioSoftware, Inc.) |
| GCK | Group Cipher Key |
| GCK | Garden City, KS, USA - Garden City Municipal Airport (Airport Code) |
| GCK | Gas Conversion Kit |
| GCK | General Cadet Knowledge |
| GCK | Groupe Cycliste Kerhuonnais (French cycling club; Le Relecq-Kerhuon, France) |