| Abbreviation | Definition |
|---|---|
| FSAU | Food Security Analysis Unit |
| FSB | Financial Services Board |
| FSC | Fire Safety Commission |
| FSCO | Financial Services Commission of Ontario |
| FSD | Family Support Division |
| FSD | Federal Service Desk |
| FSD | Fondation Suisse de Déminage |
| FSDU | Florida State Disbursement Unit |
| FSE | Foreign Sanctions Evaders |
| FSLG | Federal, State, and Local Government |
| FSP | Free State Project |
| FSUTMS | Florida Standard Urban Transportation Model Structure |
| FTA | Fire Traffic Area |
| FTDI | Family Temporary Disability Insurance (Florida) |
| FTM | Family Team Meeting |
| FTMA | Findlay Township Municipal Authority |
| FTME | Forever The Middle East |
| FTMG | Former Truck Maintenance Garage |
| FTMI | Fund for Tourism Marketing Initiatives |
| FTMSA | Franklin Township Municipal Sanitary Authority |