| Acronym | Definition |
|---|
| OERP➣Olfactory Event-Related Potential (psychology) |
| OERP➣Office of Education and Regional Programming |
| OERP➣Overflow Emergency Response Plan (sewage) |
| OERP➣Organizational Efficiency Review Program |
| OERP➣Organic Extracts from Respirable Particles (inhalation toxicology) |
| OERP➣Overseas Expenditure Reduction Program |