| Abbreviation | Definition |
|---|---|
| FAST | Federal Acquisition STreamlining Act |
| FAST | Free And Secure Trade |
| FAST | Frequent, Accurate, Specific, and Timely |
| FATCA | Foreign Account Tax Compliance Act |
| FATCA | Foreign Account Tax Complience Act |
| FATE | Freedom Of Action Thought And Expression |
| FATE | Freedom of Action, Thought, and Expression |
| FBCB2 | Force XXI Battle Command - Brigade-and-Below |
| FBI | Federal Baseline Intelligence |
| FBI | Federal Bureau of Investigation US government |
| FBI | Fidelity, Bravery, Integrity |
| FBIAA | Federal Bureau of Investigation Agents Association |
| FBIS | Foreign Broadcast Information Service |
| FBO | Faith Based Organization |
| FBO | Federal Business Opportunities |
| FBO | Foreign Building Operations |
| FBT | Federal Bureau of Technology |
| FC | Foreign Country |
| FC | Fund Control |
| FCA | Farm Credit Administration |