| Acronym | Definition |
|---|
| OEPA➣Ohio Environmental Protection Agency |
| OEPA➣Office of Environmental Policy and Assistance (US EPA) |
| OEPA➣Ontario Environmental Protection Act (Canada) |
| OEPA➣Office of Education Performance Audits (West Virginia) |
| OEPA➣Onchocerciasis Elimination Program of the Americas (est. 1993) |
| OEPA➣On Earth Peace Assembly (Church of the Brethren educational program) |