| NPAS | Nascar Peak Antifreeze Series 
| Others |
| NPAS | National Patent Analytical Systems
| Others |
| NPAS | National Patient Account Services
| Others |
| NPAS | National Performing Arts School
| Others |
| NPAS | National Physical Activity Society
| Others |
| NPAS | National Physical Activity Society National Physical Activity Society
| Others |
| NPAS | National Police Air Service
| Others |
| NPAS | National Public Alerting System
| Others |
| NPAS | Neff Percutaneous Access Set
| Others |
| NPAS | Negative Pressure Adjustable System
| Others |
| NPAS | Negative Pressure Air System
| Others |
| NPAS | Nerdy Personality Attributes Scale
| Others |
| NPAS | Network Processor Application Services Structure
| Others |
| NPAS | New Prague Area Schools
| Others |
| NPAS | Northlake Performing Arts Society
| Others |