| Abbreviation | Definition |
|---|---|
| FERRET | Flexible Expert Retrieval of Relevant English Text |
| FESA | Front End Software Architecture |
| FESC | Franciscan Education Support Center |
| FESC | Front End System Capture |
| FESC | Front End Systemic Capture |
| FESE | Faculty For Electric And Software Engineering |
| FESM | Flood Estimation Simulation Model |
| FESM | Flood Event Simulation Model |
| FF | Firefox |
| FFA | Flexible Format Architecture |
| FFAH | Frame Format Ad Hoc |
| FfAPI | FeedFlare API (Google) |
| FFAT | File Format Analysis Toolbox |
| FFC | FEniCS Form Compiler |
| FFD | For the Free Dictionary |
| FFD | Free Form Deformation |
| FFDC | First Failure Data Capture |
| FFDS | Fluid Flow Design Software |
| FFII | Foundation for a Free Information Infrastructure |
| FFLP | Fully Fuzzy Linear Programming |