| 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) |