| Abbreviation | Definition |
|---|---|
| NPSC | National Police Safety Commission |
| NPSC | National Police Shooting Championships |
| NPSM | National Police Service Medal |
| NPSN | National Police Support Network |
| NPST | National Police Select Test |
| NPT | National Police Training |
| NPT | Neighbourhood Police Team |
| NPT | Neighbourhood Policing Team |
| NPTA | National Police and Troopers Association |
| NPTO | Nagaland Police Telecommunication Organisation |
| NPTS | National Police Training School |
| NPU | Neighborhood Police Unit |
| NPUC | National Police University of China |
| NPWA | National Police Wives Association |
| NRE | Near-Rape Experience |
| NRP | Natural Resources Police |
| NRP | Niagara Regional Police |
| NRPA | Niagara Region Police Association |
| NRPB | National Radiological Protection Board |
| NRPS | Niagara Regional Police Service |