| Abbreviation | Definition |
|---|---|
| PLW | ProLiteracy Worldwide |
| PLWC | People Living With Cancer |
| PM | Prospective Member |
| PMC | Pigeon Mountain Chapter |
| PMC-NWTF | Pigeon Mountain Chapter - National Wild Turkey Federation |
| PMDA | Pennsylvania Medical Directors Association |
| PMF | Pentagon Memorial Fund |
| PMF | Pere Marquette Fund |
| PMG | Posture and Mobility Group |
| PMHRE | People's Movement for Human Rights Education |
| PMP | Pontifical Mission for Palestine |
| PMRIA | Pain Management Research Institute of America |
| PMRS | Palestinian Medical Relief Society |
| PMRS | Princeton Materials Research Society |
| PMSA | Pharmaceutical Management Science Association |
| PMSA | Public Monument and Sculpture Association |
| PNA | Patronato Nacional Antituberculoso |
| PNC | Peace Neighborhood Center |
| PNCEA | Paulist National Catholic Evangelization Association |
| PND | Philanthropy News Digest |