| Acronym | Definition |
|---|
| GPDG➣Grand Prieuré des Gaules (French: Grand Priory of Gaul) |
| GPDG➣Government Procurement Development Group (Industry and Regional Development Branch; Ministry of Economic Development; New Zealand) |
| GPDG➣Guerreros Protectores de Gaia (Spanish: Gaia Warriors and Protectors; gaming clan) |
| GPDG➣Galaxy PBeM (Play by Email) Development Group |