| Acronym | Definition |
|---|
| NAPP➣National Association of Photoshop Professionals |
| NAPP➣National Association of Patent Practitioners (Williamsburg, VA) |
| NAPP➣National Aerial Photography Program (USGS) |
| NAPP➣National Association for Patient Participation (UK) |
| NAPP➣Neighborhood Adult Participation Project (Office of Economic Opportunity; California) |
| NAPP➣Sodium Pyrophosphate |
| NAPP➣National Association of Philanthropic Planners (now International Association of Advisors in Philanthropy) |
| NAPP➣Naval Aviation Preparatory Program (US Navy) |
| NAPP➣Nerve Agent Pyridostigmine Pretreatment |
| NAPP➣National Association of Peer Programs |
| NAPP➣National Association of Priest Pilots |
| NAPP➣Non-Agricultural Pesticides Panel (United Kingdom) |
| NAPP➣Negative Acknowledgement with Periodic Polling (networking protocol) |
| NAPP➣National Association of Patient Practitioners |