NPSA
| Acronym | Definition |
|---|---|
| NPSA | National Patient Safety Agency (UK) |
| NPSA | National Park of American Samoa (US National Park Service) |
| NPSA | National Portable Storage Association (Kansas City, MO) |
| NPSA | Nebraska Polio Survivors Association |
| NPSA | National Private Schools Association |
| NPSA | Net Protein Sequence Analysis |
| NPSA | National Practical Shooting Association |