| Acronym | Definition |
|---|
| PPRI | Plant Protection Research Institute (South Africa) |
| PPRI | Public Policy Research Institute |
| PPRI | Plan de Prévention des Risques d'Inondations (French: Plan to Prevent Natural Hazards of Flooding) |
| PPRI | Pharmaceutical Pricing and Reimbursement Information |
| PPRI | Prison Privatisation Report International |
| PPRI | Planned Parenthood of Rhode Island |
| PPRI | Prairie Plains Resource Institute (Aurora, NE) |
| PPRI | Pemilihan Peneliti Remaja Indonesia |
| PPRI | Plant Pathology Research Institute |
| PPRI | Plasma Physics Research Institute |
| PPRI | Plant Production Research Institute |
| PPRI | Pulp and Paper Research Institute |
| PPRI | Paranormal Phenomena Research and Investigation |
| PPRI | Preemptive Priority |
| PPRI | Pacific Parkinsons Research Institute (Vancouver, Canada) |
| PPRI | Provider Public Relations Initiative |
| PPRI | PowerPT Presentation Research Institute |
| PPRI | Public Performance Rights Included |