| Acronym | Definition |
|---|
| RSBA➣Royal Society of Birmingham Artists (UK) |
| RSBA➣Royal Society of British Artists (UK) |
| RSBA➣Registered School Business Administrator |
| RSBA➣Robson Street Business Association (Canada) |
| RSBA➣Rental Service Business Area (Atlas Copco; Texas) |
| RSBA➣Recurrent Subareolar Breast Abscess |
| RSBA➣Revelstoke School Band Association (Canada) |