| NPRP | NASA Postdoctoral Research Program 
| Others |
| NPRP | National Pediatric Readiness Project
| Others |
| NPRP | National Peer Review Programme
| Others |
| NPRP | National Persons Responsible for Pharmacovigilance
| Others |
| NPRP | National Planning and Research Program
| Others |
| NPRP | National Playwright Residency Program
| Others |
| NPRP | National Police Research Platform
| Others |
| NPRP | National Pretrial Reporting Program
| Others |
| NPRP | National Prion Research Program
| Others |
| NPRP | National Priorities Research Program
| Others |
| NPRP | National Priorities Research Programme
| Others |
| NPRP | National Priority Research Program
| Others |
| NPRP | Nautical Predictive Routing Protocol
| Others |
| NPRP | Navy Professional Reading Program
| Others |
| NPRP | Nuclear Personnel Reliability Program
| Others |