RFSA
| Acronym | Definition |
|---|---|
| RFSA | Russian Federal Space Agency |
| RFSA | Rural Fire Service Association (NSW RFS) |
| RFSA | Request for Supply Arrangement (Canadian government) |
| RFSA | Retired Faculty-Staff Association |
| RFSA | Radio Free San Andreas (software tool) |
| RFSA | Research Fellow of SHAPE (Society of Health and Physical Educators) America |
| RFSA | Readiness for Sea Assessment (US Navy) |
| RFSA | Realm of the Free Small Astros (gaming guild) |