HRWA
| Acronym | Definition |
|---|---|
| HRWA | Harpeth River Watershed Association (Tennessee) |
| HRWA | Hudson River Watertrail Association |
| HRWA | Herring Run Watershed Association (Baltimore, MD) |
| HRWA | High Range Water Reducer (concrete) |
| HRWA | Hudson River Watershed Alliance (Poughkeepsie, NY) |
| HRWA | Human Rights Watch/Africa |
| HRWA | Human Rights Watch Association |