| Abbreviation | Definition |
|---|---|
| PSLS | Pennsylvania Society of Land Surveyors |
| PSMA | Princeton Society of Musical Amateurs |
| PSMID | Philippine Society for Microbiology and Infectious Diseases |
| PSMO | Philippine Society of Medical Oncology |
| PSMR | Parkinson Society Maritime Region |
| PSMS | Puget Sound Mycological Society |
| PSN | Pakistan Society of Neurosurgeons |
| PSNA | Phytochemical Society of North America |
| PSNC | Preservation Society of Newport County |
| PSND | Philippine Society of Nutritionist Dietitians |
| PSNDT | Philippine Society for Non Destructive Testing |
| PSNE | Pennsylvania Society of News Editors |
| PSNM | Pakistan Society of Nuclear medicine |
| PSNM | Pastel Society of New Mexico |
| PSNM | Philippine Society of Nuclear Medicine |
| PSNS | Perthshire Society of Natural Science |
| PSNT | Pakistan Society of North Texas |
| PSOD | Philatelic Society of Delhi |
| PSOD | Philippine Society for Orphan Disorders |
| PSOF | Philippine Society of Fellows |