| Acronym | Definition |
|---|
| NHPA➣National Historic Preservation Act of 1966 |
| NHPA➣National Health Priority Areas (Australia) |
| NHPA➣National Horseshoe Pitchers Association of America |
| NHPA➣New Hampshire Preservation Alliance |
| NHPA➣New Hampshire Psychological Association |
| NHPA➣Natural History Photographic Agency (UK) |
| NHPA➣National Health Promotion Associates |
| NHPA➣New Hampshire Providers Association (Concord, NH) |
| NHPA➣National High Performance Academy (Tennis Australia) |
| NHPA➣New Hampshire Police Association |
| NHPA➣NASA Headquarters Professional Association |
| NHPA➣Nevada Highway Patrol Association (Winnemucca, NV) |
| NHPA➣New Hampshire Press Association |
| NHPA➣National Hispanic Psychological Association |
| NHPA➣National Handicraft Promotion Agency (Mauritius) |
| NHPA➣National Hijack Prevention Academy (South Africa) |
| NHPA➣National Help Program Albania |
| NHPA➣New Hampshire Planners Association |
| NHPA➣National Hot Pepper Association |
| NHPA➣National Home Protection Alliance |
| NHPA➣North Hill Preservation Association |
| NHPA➣New Hampshire Photojournalists Association |
| NHPA➣Nurse Healers Professional Association |
| NHPA➣Northland Heat Pump Association |
| NHPA➣New Hampshire Pyrotechnics Association (est. 1989) |
| NHPA➣National Hospitality and Parks Association |
| NHPA➣New Health Plan Accreditation (National Committee for Quality Assurance) |
| NHPA➣New Hampshire Paramedics Association |