PERI
| Acronym | Definition |
|---|---|
| PERI | Political Economy Research Institute |
| PERI | Public Entity Risk Institute |
| PERI | Argument of Perihelion (astronomy) |
| PERI | Pea Ridge National Military Park (US National Park Service) |
| PERI | Pharmaceutical Education & Research Institute |
| PERI | Physical Education and Recreation Instructor |
| PERI | Philippine Eye Research Institute |
| PERI | Public Employees Retirement Inc. |