| 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 |