| Abbreviation | Definition |
|---|---|
| GPWA | Gaming Portal Webmasters Association |
| GQA | Gaslamp Quarter Association |
| GQHA | Georgia Quarter Horse Association |
| GQPA | German Qualified Person Association |
| GRA | Garda Representative Association |
| GRA | Groundwater Resources Association |
| GRAA | Great River Arts Association |
| GRAC | Groundwater Resources Association of California |
| GRAR | Grand Rapids Association of Realtors |
| GRAR | Greater Rochester Association of REALTORS |
| GRASE | Glen Ridge Association for Special Education |
| GRCA | Glassfibre Reinforced Concrete Association |
| GRECA | Greek e-Commerce Association |
| GREPA | Ghana Real Estate Professionals Association |
| GRFA | Geelong Regional Football Association |
| GRIP | Growth Responsibility Integrity Purpose |
| GRMA | Ghana Registered Midwives Association |
| GRMA | Grand River Malayalee Association |
| GRMA | Greater Raleigh Merchants Association |
| GROAP | Government Records Officers Association of the Philippines |