| Abbreviation | Definition |
|---|---|
| NAPM | National Association Of Photographic Manufacturers |
| NAPPA | National Association of Public Pension Attorneys |
| NAPRA | National Association of Pharmacy Regulatory Authorities |
| NAPT | National Association for Poetry Therapy |
| NAPT | National Association of Plumbing Teachers |
| NAPTA | National Assembly of Physical Therapist Assistants |
| NAPTA | National Association of Professional Teaching Assistants |
| NAPTA | North American Petroleum Trainers Association |
| NAQ | National Association of QMRPs |
| NAR | National Association of Realtors |
| NAR | National Association of Rocketry |
| NARA | National Aircraft Resale Association |
| NARAS | National Association of Recording Arts and Sciences |
| NARC | National Association Of Regional Councils |
| NARDA | National Association of Retail Dealers of America |
| NARE | National Association For Recreational Equality |
| NARI | National Association of the Remodeling Industry |
| NARM | National Association of Recording Merchandisers |
| NARM | National Association of Relay Manufacturers |
| NARM | National Association of Rooflight Manufacturers |