GRWA
| Acronym | Definition |
|---|---|
| GRWA | Gaming, Racing and Wagering Australia (gambling conference) |
| GRWA | Georgia Rural Water Association |
| GRWA | Grace's Warbler (bird species) |
| GRWA | Greenbrier River Watershed Association (Lewisburg, WV) |
| GRWA | Gananoque River Waterways Association (Ontario, Canada) |
| GRWA | Generalized Rotating-Wave Approximation |