| Abbreviation | Definition |
|---|---|
| NHP | National Historic Park |
| NHP | New Hyde Park |
| NNNP | North Negros Natural Park |
| NNNP | Nouabale Ndoki National Park |
| NNUP | Neighborhood Network of University Park |
| NOPA | Not On Park Avenue |
| NPAN | National Parks at Night |
| NPB | National Park of Berchtesgaden |
| NPC | National Park College |
| NPC | Niagara Parks Commission |
| NPCA | North Park Community Association |
| NPMS | North Park Main Street |
| NPMS | North Park Middle School |
| NPOS | Naglee Park Open Studios |
| NPPB | Newbury Park PONY Baseball |
| NPPC | North Park Planning Committee |
| NPPT | Newbury Park Physical Therapy |
| NPS | National Park |
| NPS | National Park Service's |
| NPTC | National Park Technology Center |