| Abbreviation | Definition |
|---|---|
| ROSA | Removal Of Skewing Adjustment |
| ROSA | Responsive Online System for Acta |
| ROSA | Reverse Orientation Splice Acceptor |
| ROSA | Reverse Osmosis System Analysis |
| ROSA | Roll Out Solar Array |
| ROSALINDA | Rosa Linda's |
| ROSARY | Rosaries |
| ROSC | Recovery Oriented System of Care |
| ROSC | Recovery Oriented Systems of Care |
| ROSC | Reports on the Observance of Standards and Codes |
| ROSC | Resources For Organizing and Social Change |
| ROSC | Rocketdyne Operations Support Center |
| ROSCA | Restore Online Shoppers Confidence Act |
| ROSD | Radio Omroep Schouwen Duiveland |
| ROSD | Reinterpretation of Scarlet Devil |
| ROSD | Royal Oak school district |
| ROSE | Reaching Our Sisters Everywhere |
| ROSE | Read Out Support Equipment |
| ROSE | Recovery Of Oil Saves The Environment |
| ROSE | Recreating Our School Environment |