SffR
| Acronym | Definition |
|---|---|
| SffR | Samfylkingarfélagið Í Reykjavík (Icelandic: Social Democratic Alliance Federation of Reykjavik; Reykjavik, Iceland) |
| SffR | Sioux Falls Fire Rescue (Sioux Falls, SD) |
| SffR | Svensk Förening för Radiofysik (Swedish Society of Radiation Physics) |
| SffR | South Fork Feather River (California) |
| SffR | Shavers Fork Fire Rescue (Pocahontas County, WV) |
| SffR | Space Free-Flying Robot (various universities) |
| SffR | Standard for Full Registration (teaching) |
| SffR | Strategy and Future Forces Review |