| Abbreviation | Definition |
|---|---|
| NPCU | National Police Credit Union |
| NPD | Newark Police Division |
| NPD | Newport Police Department |
| NPD | Nintendo Police Department |
| NPD | Normal Police Department |
| NPD | Norton Police Department |
| NPDC | Northern Police District Command |
| NPF | National Police Foundation |
| NPF | Nigeria Police Force |
| NPF | Nigerian Police Force |
| NPG | No Ponzi Game |
| NPHA | National Police Horse Academy |
| NPHE | Norfolk Police Historical Exposition |
| NPK | No Prior Knowledge |
| NPMB | National Police Management Board |
| NPO | Neighborhood Patrol Officer |
| NPO | Neighborhood Police Officer |
| NPO | Neighborhood Police Officers |
| NPP | National Policing Plan |
| NPRP | National Police Research Platform |