| NS/EP | National Security and Emergency Preparedness 
| Others |
| NSEP | National Security Education Program
| Others |
| NSEP | National Security Emergency Preparedness
| Others |
| NSEP | National Smallpox Eradication Programme
| Others |
| NSEP | National Software Evaluation Project
| Others |
| NSEP | National Standard Examination in Physics
| Others |
| NSEP | Nature Society and Environmental Policy
| Others |
| NSEP | Needle and Syringe Exchange Programme
| Others |
| NSEP | New Student Employee Program
| Others |
| NSEP | Nuclear Safeguards Education Portal
| Others |