| Abbreviation | Definition |
|---|---|
| NPU | National Park Unit |
| NPV | National Payroll Week |
| NPV | Non- Profit Work |
| NPW | National Park Week |
| NPW | National Police Week |
| NPW | Non- Profit Work |
| NPW | Non-Profit Work |
| NQB | National Quality Board |
| NQI | National Quality Initiative |
| NQP | National Quality Program |
| NR | National Register |
| NR | Nationally Registered |
| NR | Needless Reduction |
| NR | New Regulation |
| NR | Non Resident |
| NR | Not Recommended |
| NR | Number of Registered .... |
| NRA | National Recovery Act |
| NRA | national regulatory authority |
| NRA | Non-Resident Alien |