| Abbreviation | Definition |
|---|---|
| FTSSA | Flight Test Society of South Africa |
| FTW | Nederlands Forum voor Techniek en Wetenschap |
| FTW | Netherlands Society of Technological Sciences and Engineering |
| FUS | First Unitarian Society |
| FUSS | First Unitarian Society of Schenectady |
| FUSSI | Flinders University Speleological Society Inc |
| FVPS | Film and Video Poetry Society |
| FVPS | Fraser Valley Poets Society Fraser Valley Poets Society |
| FVS | Finnish Society of Sciences and Letters |
| FVS | Finska Vetenskaps-Societeten |
| FVS | Florida Vascular Society |
| FVS | Societas Scientiarum Fennica |
| FVS | Suomen Tiedeseura |
| FWBS | Fort Worth Bonsai Society |
| FWLS | Food Wine Law Society |
| FWNS | Francis William Newman Society |
| FYSI | Friends of Youth Society International |
| FYSiF | Fysikersamfundet i Finland |
| FYSiF | Physical Society in Finland |
| FYSiF | Suomen fyysikkojen seura rf |