| Acronym | Definition |
|---|
| FFR | Filtering Facepiece Respirator (medical safety mask) |
| FFR | Factory Five Racing (Wareham, MA) |
| FFR | Federation Francaise de Rugby (French National Rugby Team) |
| FFR | Fractional Flow Reserve |
| FFR | Federal Funds Rate (interest rate) |
| FFR | Final Fight Revenge (gaming) |
| FFR | Fractional Frequency Reuse (algorithms) |
| FFR | Federal Financial Report |
| FFR | Fast Food Restaurant |
| FFR | FlashFlashRevolution (website) |
| FFR | Foundation for Recovery (addiction) |
| FFR | Fast Framing |
| FFR | Factory Five Racing |
| FFR | Fast File Recovery |
| FFR | Flash Flash Revolution (computer game) |
| FFR | Fédération Française des Réflexologues (French: French Federation of Reflexologists) |
| FFR | Frequency Following Response |
| FFR | Fitted for Radio |
| FFR | For Future Reference |
| FFR | Fasteners for Retail (Cleveland, OH) |
| FFR | Full Financial Report (various companies) |
| FFR | Food for Recovery |
| FFR | Fdisk Format Reinstall (operating system) |
| FFR | Fault Feedback Ratio |
| FFR | Florissant Fire Rescue (Colorado) |
| FFR | Radar Picket Frigate |
| FFR | Full Facility Revitalization |
| FFR | Field Failure Rate |
| FFR | Ford Foundation Report (magazine) |
| FFR | Frontier Force Regiment (Pakistan) |
| FFR | Fume Formation Rate (welding) |
| FFR | Force Feasibility Review |
| FFR | Forests and Fish Rules |
| FFR | Franciscan Friars of the Renewal |
| FFR | Free Flight Rocket |
| FFR | Fluid Fuel Reactor |
| FFR | Find, Fix and Repair |
| FFR | Forward Firing Rocket |
| FFR | Find, Fix, and Retest |
| FFR | Fuel Feed Rate |
| FFR | Full Frequency Resolution |