| Acronym | Definition |
|---|
| GRG➣Game Recognize Game |
| GRG➣Grand Romantic Gesture |
| GRG➣Glass Reinforced Gypsum (cementitious composite material reinforced with glass fibers) |
| GRG➣Gerontology Research Group |
| GRG➣General Research Grant (various organizations) |
| GRG➣Generalized Reduced Gradient |
| GRG➣Gridded Reference Graphic (US DoD) |
| GRG➣General Relativity and Gravitation |
| GRG➣Guangzhou Radio Group (China) |
| GRG➣GNU Report Generator |
| GRG➣Gravity Recoverable Gold (value estimation) |
| GRG➣Green Recycling Group Ltd (UK) |
| GRG➣Grand Rapids Griffins |
| GRG➣Genetic Risk Group |
| GRG➣Great Running Game |
| GRG➣Gamma Ray Gauge (radiation thickness measurement device) |
| GRG➣Global Retail Group (Philippines) |