| Acronym | Definition |
|---|
| FOR | Free on Road |
| FOR | Forum (Danish railway station) |
| FOR | Format |
| FOR | Frame of Reference |
| FOR | Field Of Regard |
| FOR | Friends of Ruth |
| FOR | Fleet On the Road |
| FOR | financial obligations ratio |
| FOR | Fiber Optic Receiver |
| FOR | Fellowship of Reconciliation |
| FOR | FORTRAN Source Code (File Name Extension) |
| FOR | Flat on Right (configuration) |
| FOR | Flame of Recca (anime) |
| FOR | Fortran Source File |
| FOR | Free On Rail |
| FOR | Friends of Rodeo (Merced, CA) |
| FOR | Fellowship of Reason |
| FOR | Final Office Review (Colorado Department of Transportation) |
| FOR | Flight Operations Review |
| FOR | Fortaleza, Ceara, Brazil - Fortaleza (Airport Code) |
| FOR | Fuel Oil Return |
| FOR | File Owning Region |
| FOR | Freedom of Return |
| FOR | Fuel Oil Reclaimed |
| FOR | Fiber Optic Regenerator |
| FOR | Family of Operational Rations |
| FOR | Flippin' Over Rated (polite form) |
| FOR | Fore River Railroad Corporation |
| FOR | Field Observed Reliability |