RIEP
| Acronym | Definition |
|---|---|
| RIEP | Rest in Eternal Peace |
| RIEP | Regional Improvement and Efficiency Partnership (UK) |
| RIEP | Rural Inclusive Education Program (Azerbaijan) |
| RIEP | Research Institute for Education Planning (University of the Free State; South Africa) |
| RIEP | Rhode Island Endeavor Program (marine research) |
| RIEP | Red Internacional de Estudiantes Paisajistas (Spanish: International Student Network Landscape; Mexico) |
| RIEP | Rhode Island Environmental Police |