| Abbreviation | Definition |
|---|---|
| FPMS | Florida Podiatric Medical Society |
| FPS | Finlands Fysikerförening |
| FPS | Finlands Fysikerfrening |
| FPS | Finnish Physical Society |
| FPS | Fluid Power Society |
| FPS | Forum on Physics and Society |
| FPS | Free Post Society |
| FPS | Suomen Fyysikkoseura |
| FPSO | Foster Parents Society of Ontario |
| FRAPS | for Regulatory Affairs Professionals Society |
| FRCS | Federation of Romanian Cancer Societies |
| FRCS | Fiji Red Cross Society |
| FRES | Ferret Rescue Education Society |
| FRGS | Fellow of the Royal Geographical Society |
| FRGS | Fredericksburg Regional Genealogical Society |
| FRHS | Fellow of the Royal Historical Society |
| FRHS | Fellow of the Royal Horticultural Society |
| FROS | Front Royal Oratorio Society |
| FRPS | Fellow of the Royal Photographic Society |
| FRRS | Feather River Rail Society |