| Acronym | Definition |
|---|
| NSPS | National Security Personnel System (US government) |
| NSPS | New Source Performance Standard |
| NSPS | National Society of Professional Surveyors |
| NSPS | National Suicide Prevention Strategy (Australia) |
| NSPS | National Sweet Pea Society (UK) |
| NSPS | National Security and Public Safety |
| NSPS | National Ski Patrol System, Inc. (winter rescue organization) |
| NSPS | North Spring Primary School (Singapore) |
| NSPS | Nonsynchronous Pulse Suppression |
| NSPS | Navigation Set Power Supply (LANTIRN) |
| NSPS | Network Services Platform Software (Lucent Technologies middleware) |