| Abbreviation | Definition |
|---|---|
| PEERS | Prostitutes Empowerment Education and Resource Society |
| PEF | Public Education Foundation |
| PEFC | Programme for the Endorsement of Forest Certification |
| PELP | Poland Efficient Lighting Project |
| PELP | Public Education Leadership Project |
| PEM | People's Ecology Movement |
| PEMF | Pittsburgh Emergency Medicine Foundation |
| PEMG | Pommerian Early Music Guild |
| PEMI | Pediatric Emergency Medicine Isreal |
| PENS | Pediatric Endocrinology Nursing Society |
| PEO | Philanthropic Educational Organizantion |
| PERC | Propane Education Research Council |
| PERC | Property and Environment Research Center |
| PERF | Postal Employee Relief Fund |
| PERF | Postal Employees' Relief Fund |
| PERF | Pulmonary Education and Research Foundation |
| PET | Personal Energy Transportation International |
| PETA | People Eatiang Tasty Animals |
| PETA | People for the Ethical Treatment of Animals |
| PETE | Preserving the Earth Through Education |