| Abbreviation | Definition |
|---|---|
| FR | Fire Road |
| FR | Flow rate (as traffic volume) |
| FR | Free Ride |
| FR | Freight Release |
| FR | Front Radiating |
| FRA | Forward Rate Agreement |
| FRA | Framingham Station (MBTA T Commuter Rail - AMTK) |
| FRAG | Flashing Red And Green |
| FRAP | Free Routes Airspace Project |
| FRAP | Freight Route Analysis Project |
| FRC | Request Full Route Clearance |
| FRCV | Future Ready Combat Vehicle |
| FRED | Flashing Rear End Device |
| FRED | Flying Runabout Experimental Design |
| FREIGHTNOTE | Freight note |
| FRH | freighter |
| FROGS | Forbid Roads Over Green Spaces |
| FRP | Fiberglass Reinforced Panels |
| FRS | Flight Reservation System |
| FRSCN | Federal Road Safety Corps of Nigeria |