| Acronym | Definition |
|---|
| NRHA➣National Reining Horse Association |
| NRHA➣National Retail Hardware Association |
| NRHA➣National Rural Health Association |
| NRHA➣National Rural Health Alliance (Australia) |
| NRHA➣Norfolk Redevelopment & Housing Authority (Norfolk, VA) |
| NRHA➣Nevada Rural Housing Authority (est. 1972; Carson City, NV) |