| Abbreviation | Definition |
|---|---|
| F | Ferrum (Iron) |
| F | Fixed |
| F | Free |
| FA | Fine Artistry |
| FA | Flame Arrestor |
| FAB | Forward Angle Bracket |
| FABI | Favorite Advantage Benefit Impact |
| FADEC | Full Authority Digital Engine Controller |
| FAGCA | Fenton Art Glass Collectors of America |
| FAME | Fast, Accurate, Morphable, and External |
| FAO | Finish All Over |
| FAPC | Food and Agricultural Products Center |
| FAPM | Federation of Advanced Products Manufacturers |
| FARM | Farming Antiques and Related Machinery |
| FAST | Factory Appearing Stock Tire |
| FB | Ferrite Bead |
| FB | Fiber-Based |
| FB | Fish Bowl |
| FB | Flange Bearing |
| FB | Flat Back |