| Abbreviation | Definition |
|---|---|
| FCZ | Fishery Conservation Zone |
| FD | Facility Division |
| FDDI | Fiber Distributed Data Interface |
| FEA | Federal Energy Administration |
| FEDLINK | Federal Library and Information Network |
| FEI | Federal Executive Institute |
| FEMA | Federal Emergency Management Agency |
| FERHI | Far Eastern Regional Hydrometeorological Research Institute |
| FERRET | Interactive Data Display And Analysis System |
| FFAV | Free Floating Aquatic Vegetation |
| FFW | Feet of Fresh Water |
| FGGE | First GARP Global Experiment |
| FGS | Florida Geological Survey |
| FH | Fishermans Horizon |
| FHI | Institute of Marine Research |
| FIAMS | Flinders Institute for Atmospheric and Marine Sciences |
| FIBS | Field By Information Blending And Smoothing |
| FIDES | Fisheries Information Data Exchange System |
| FIDES | Forecaster's Intelligent Discussion Experiment System |
| FIDI | Fishery Information, Data and Statistics Service |