| Abbreviation | Definition |
|---|---|
| NPTS | North Park Theological Seminary |
| NPU | North Park Univ |
| NRP | Norwich Research Park |
| NRPS | Nevada Recreation and Park Society |
| NSPP | Neshaminy Shore Picnic Park |
| NUEP | Nilai Utama Enterprise Park |
| NWCP | National Wildlife Conservation Park |
| OBPPC | Ontario Beach Park Program Committee |
| OBSP | Ontsluiting Bio Science Park |
| OHPF | Opera Holland Park Friends |
| OMP | Other Major Parks |
| ONPS | Operation of the National Park System |
| OPC | Overland Park Cinema |
| OPC | Overland Park Cinemas |
| OPC | Oxford Park Commission |
| OPE | Orange Park Elementary |
| OPH | Orange Park High |
| OPMC | Orange Park |
| OPMC | Orange Park Medical Center |
| OPMS | Orchard Park Middle School |