| Abbreviation | Definition |
|---|---|
| FETT | First Electronic Travel Trade |
| FEV | Flaunt Electric Vehicles |
| FFB | Force FeedBack |
| FFR | Forward File Recovery |
| FFT | Fast Fourier Transform |
| FG | Finished Goods |
| FG | Frequency Generator |
| FHD | Fixed Heat Detector |
| FHE | Flexible Hybrid Electronics |
| FHEV | Full Hybrid Electric Vehicles |
| FI | Faraday Isolator |
| FI | Filterability Index |
| FIB | Focused Ion Beam |
| FIC | Fluid Integrated Circuit |
| FID | Flame Ionization Detector |
| FIEC | Fox Island Electric Cooperative |
| FIETE | Fellow of The Institution of Electronics and Telecommunication Engineers |
| FIF | Forward Interpolution Formula |
| FIFO | First In, First Out |
| FIFU | Feared Image From URL |