| Abbreviation | Definition |
|---|---|
| PQRI | Product Quality Research Institute |
| PRA | A Paragon Retirement Association |
| PRAC | Puerto Rican Action Committee |
| PRCA | Professional Rodeo Cowboys Association |
| PRCA | Public Relations Consultants Association |
| PREC | Pesticide Registration and Evaluation Committee |
| PREC | Prescott Russell Entrepreneurship Centre |
| PREF | Polish Real Estate Federation |
| PRIF | Pacific Region Infrastructure Facility |
| PRIMA | Public RIsk Management Association |
| PRN | Professional Research Network |
| PROF | Publishers Representatives of Florida |
| PROMAP | PRoduction and Operations Management Association of the Philippines |
| PRRC | Professional Recruitment and Retention Committee (MedLibAssn) |
| PRSK | Public Relations Society of Kenya |
| PRSSA | Public Relations Student Society of America |
| PSA | Pastel Society of America |
| PSA | Photographic Society of America |
| PSA | Poultry Science Association |
| PSA | Professional Skaters Association |