| Acronym | Definition |
|---|
| OPMA | Open Public Meetings Act |
| OPMA | Open Platform Management Architecture |
| OPMA | Operations Management (course) |
| OPMA | Ontario Podiatric Medical Association (Canada) |
| OPMA | Open Platform Management Architecture (open interface specification for the connection of platform management subsystems to server motherboards) |
| OPMA | Ohio Podiatric Medical Association |
| OPMA | Ontario Produce Marketing Association (Canada) |
| OPMA | Oregon Petroleum Marketers Association |
| OPMA | Ontario Pharmaceutical Marketing Association |
| OPMA | Oklahoma Petroleum Marketers Association |
| OPMA | Overseas Press and Media Association (UK) |
| OPMA | Ohio Petroleum Marketers Association |
| OPMA | Open Pit Mining Association |
| OPMA | Oregon Project Management Associate |
| OPMA | Operations and Plant Managers Association |
| OPMA | Oregon Park Managers Association |
| OPMA | Office Products Manufacturers Association |
| OPMA | Oklahoma Podiatric Medical Association |
| OPMA | Office of Policy and Management Analysis |
| OPMA | Okanogan Producers Marketing Association (Washington state) |
| OPMA | Office of Program Management and Administration |
| OPMA | Oregon Property Managers Association |
| OPMA | On Board Performance Monitoring and Alerting |
