GPK
| Acronym | Definition |
|---|---|
| GPK | Garbage Pail Kids |
| GPK | East Glacier Park (Amtrak station code; East Glacier Park, MT) |
| GPK | Ground Plane Kit (radio antenna support device) |
| GPK | Gunner's Protection Kit |
| GPK | Aceh Security Disturbance Movement (Indonesian insurgent group) |
| GPK | German Pro Killers (gaming clan) |
| GPK | Gamma Phi Kappa |