| Abbreviation | Definition |
|---|---|
| PSOHNS | Philippine Society of Otolaryngology - Head and Neck Surgery |
| PSPA | Pennsylvania Society of Physician Assistants |
| PSPA | Philadelphia Society for Promoting Agriculture |
| PSPE | Pennsylvania Society of Professional Engineers |
| PSPE | Philippines Society of Plumbing Engineer |
| PSPE | Purdue Society of Professional Engineers |
| PSPS | Paddle Steamer Preservation Society |
| PSPS | Philadelphia Society of People and Strategy |
| PSPS | Philadelphia Society of People Strategy |
| PSQI | Philippine Society for Quality Inc |
| PSRI | Photographic Society of Rhode Island |
| PSRT | Pennsylvania Society of Radiologic Technologists |
| PSS | Peace Science Society |
| PSS | Pharmaceutical Society of Singapore |
| PSSA | Pharmaceutical Society Of South Africa |
| PSSA | Philosophy Society Of Southern Africa |
| PSSA | Pssaphysiology Society Of Southern Africa |
| PSSC | Pastel Society of Southern California |
| PSSC | Philatelic Specialists Society of Canada |
| PSSD | Pastel Society Of San Diego |