| Acronym | Definition |
|---|
| NPAS | National Police Air Service (UK) |
| NPAS | Network Processor Application Services Structure |
| NPAS | Negative Pressure Air System |
| NPAS | Network Policy and Access Services (Microsoft Windows Server) |
| NPAS | Neural Basis of Psychopathology, Addictions and Sleep Disorders (US NIH) |
| NPAS | National Park of American Samoa |
| NPAS | National Protected Area System (Guyana) |
| NPAS | National Patient Account Services (HCA) |
| NPAS | Network Planning and Analysis System |
| NPAS | NOAA Polar Antenna System |
| NPAS | Network Planning and Account Support (Sprint) |