OSRA
| Acronym | Definition |
|---|---|
| OSRA | Ocean Shipping Reform Act of 1998 |
| OSRA | Office Systems Research Association |
| OSRA | Oil Spill Response Atlas (Australia) |
| OSRA | Ontario Snow Resorts Association (Canada) |
| OSRA | Ontario Soccer Referees' Association (Canada) |
| OSRA | Oil Spill Risk Analysis |
| OSRA | Ogoni State Representative Assembly |
| OSRA | OfficeScan Remote Agent (Trend Micro) |