| Abbreviation | Definition |
|---|---|
| FFA | Fellow of the Faculty of Actuaies |
| FFA | Foster Family Agency |
| FFA | Florida Fertilizer & Agrichemical Association |
| FFAA | Five-Fans-Approval Award |
| FFAA | Farm Financial Analysis Training |
| FFAC | Fairgrounds Facility Advisory Committee |
| FFACS | Firmware Acpi Control Structure |
| FFAG | Fixed Field Alternating Gradient |
| FFAI | Field-Free Associative Ionization |
| FFAII | Free Fatty Acid-Induced Insulin |
| FFAR | Folding-Fin Aerial Rocket |
| FFAT | Future Farmstead Area Zone |
| FFAZ | Feed Information Centre |
| FFB | Fit For Breeding |
| FFBC | Front Foot Benefit Charge |
| FFBD | Functional Flow Block Diagram |
| FFC | Film Finance Corporation |
| FFC | Final Flight Certification |
| FFCC | Florida Federation Of Colorguards Circuit |
| FFCC | Free-Flyer Control Centre |
| FFD | Free From Disability |
| FFD | Fixed Format Display |
| FFD | Functional Flow Diagram |
| FFF | Features For Feet |
| FFF | Fat, Fast, and Forty |
| FFIEC | Federal Financial Institutions Examination Council |
| FFM | Fat Free Mass |
| FFO | Funds From Operations |
| FFP | Fresh Frozen Plasma |
| FFRA | Finance Fund For Rural Areas |
| FFROM | Full, free range of motion |
| FFS | Facial Feminizing Surgery |
| FFT | Forward flexion: fingertips to toes |
| FFT | Fast Fourier Transform |
| FGA | Fellow of the Gemmological Association |
| FGAA | Federal Government Accountant's Association |
| FGDC | Federal Geographic Data Committee |
| FGE | Fine Guidance Electronics |
| FGFWFC | Florida Game and Fresh Water Fish Commission |
| FGGM | Finite Generalized Gaussian Mixture |
| FGR | Fetal Growth Restriction |
| FGR | Gardner- Rasheed feline sarcoma viral oncogene homolog |
| FGS | Fine Guidance Sensor |
| FGS | Fine Guidance System |
| FGS | Fine Guidance Sensors |
| FGSE | Fine Guidance System Electronics |
| FGSM | Flammable Gas Safety Manual |
| FH | Family History |
| FH | Fetal Heart |
| FHC | Flight Half Coupling |