HRRA
| Acronym | Definition |
|---|---|
| HRRA | Hampton Roads Realtors Association (Virginia) |
| HRRA | Housatonic Resources Recovery Authority (regional waste management authority; Connecticut) |
| HRRA | Hudson River Recreation Area (Lake George, NY) |
| HRRA | High-Risk Research in Anthropology (US NSF publication) |
| HRRA | Hawaii Road Race Association |
| HRRA | Horse Racing Redevelopment Act (Delaware) |