| Abbreviation | Definition |
|---|---|
| FSIS | Food Safety and Inspection Service (USDA) |
| FSLIC | Federal Savings and Loan Insurance Corporation |
| FSM | Free Speech Movement |
| FSMIP | Federal States Marketing Improvement Program |
| FSNTP | Funding source from national target program |
| FSNTP | Funding Source of the National Target Program |
| FSO | Functional Support Office |
| FSOA | Foreign Service Oral Assessment |
| FSORAG | Forest Service Outdoor Recreation Accessibility Guidelines |
| FSOT | Foreign Service Officer Test |
| FSP | Food Stamp Program |
| FSS | Federal Security Service |
| FSS | Federal Supply Schedule |
| FSS | Federal Supply Service |
| FSTAG | Forest Service Trails Accessibility Guidelines |
| FT | Fiscal Transparency |
| FT | Foreign Talent |
| FT | Future Technology |
| FTA | Free Trade Agreement |
| FTAA | Free Trade Area of America |