| Abbreviation | Definition |
|---|---|
| FAO | Food and Agriculture Organization |
| FAR | Federal Acquisition Regulation |
| FARA | French-American Ridge Atlantic |
| FARB | Federal Assistance Review Board |
| FARO | Forum of Arctic Research Operators |
| FARS | Financial Accounting and Reporting System |
| FASCODE | Radiative Transfer CODE |
| FASINEX | Frontal Air- Sea INteraction EXperiment |
| FAST | Flow Actuated Sediment Trap |
| FAST | Fore-Aft Scanning Technique |
| FASTEX | Frontal and Atlantic Storm-track Experiment |
| FATE | Fisheries and the Environment |
| FC | Flood Control |
| FCCSET | Federal Coordinating Council for Science, Engineering and Technology |
| FCG | Federal Coordinator for Geology |
| FCMAREP | Federal Coordinator for Marine Environmental Prediction |
| FCMP | Florida Coastal Monitoring Program |
| FCMSSR | Federal Coordinator for Meteorological Services and Supporting Research |
| FCOMP | Federal Coordinator for Ocean Mapping and Prediction |
| FCST | Federal Council for Science and Technology |