| Acronym | Definition |
|---|
| OPEA➣Oklahoma Public Employees Association |
| OPEA➣Oak Park Education Association (Michigan) |
| OPEA➣Ontario Professional Engineers Awards (Canada) |
| OPEA➣Outdoor Power Equipment Association |
| OPEA➣Oklahoma Palomino Exhibitors Association |
| OPEA➣Oregon Professional Electronics Association |
| OPEA➣Office of Planning Evaluation and Analysis |