| Abbreviation | Definition |
|---|---|
| NAP | Nebraska AIDS Project |
| NAPALC | National Asian Pacific American Legal Consortium |
| NAPCC | North American Plant Collections Consortium |
| NAPCVI | National Association for Parents of Children with Visual Impairments |
| NAPF | North American Pronghorn Foundation |
| NAPF | Nuclear Age Peace Foundation |
| NAPHS | National Association of Psychiatric Health Systems |
| NAPIL | National Association for Public Interest Law |
| NAPJP | National Association of Prune Juice Packers |
| NAPOB | National Association for the Preservation of Old Barns |
| NAPT | National Association for Proton Therapy |
| NAPT | Native American Public Telecommunications |
| NAPTF | Naval Aviation Pilots Trust Fund |
| NAPWA | National Association of People With AIDS |
| NARD | National Association of Retail Druggists |
| NARF | Native American Rights Fund |
| NARF | Nike Animal Rescue Foundation |
| NARI | North American Rescue Institute |
| NARP | National Association of Railroad Passengers |
| NARP | Neuropathy Ataxia And Retinitis Pigmentosa |