| Acronym | Definition |
|---|
| FR | French |
| FR | France (Internet Top Level Domain) |
| FR | France (Including Corsica & Island of Mayotte) |
| FR | From |
| FR | Federal Register |
| FR | Friend |
| FR | Father |
| FR | Frame |
| FR | French Republic |
| FR | Pays de La Loire (France) |
| FR | Flame Resistant |
| FR | Francais (French) |
| FR | Federal Republic |
| FR | Federal Reserve |
| FR | Flow Rate |
| FR | Franc (unit of currency) |
| FR | Flat Rate |
| FR | Field Report |
| FR | Freitag (German: Friday) |
| FR | Fribourg (Swiss Canton) |
| FR | Frame Relay |
| FR | Fire Resistant (Resistance) |
| FR | Final Report (US DoD) |
| FR | Financial Responsibility (casualty insurance) |
| FR | Fund-Raising |
| FR | frequency response |
| FR | Fast Response |
| FR | Full Resolution |
| FR | Full Rate (cell phone channel) |
| FR | Freeride (cycling, snowboarding etc.) |
| FR | Family Reunion |
| FR | Formula Renault (racing) |
| FR | Frankfurter Rundschau (German Newspaper) |
| FR | Freshman |
| FR | Forgotten Realms (Dungeons and Dragons game) |
| FR | Federal Regulation |
| FR | First Responder (paramedic license for emergency services such as fire or police) |
| FR | Friend Request (social media) |
| FR | Failure Rate |
| FR | Flame-Retardant |
| FR | Field Representative |
| FR | Final Rulemaking |
| FR | Floyd Rose (inventor of the locking tremelo system, likewise named) |
| FR | Friar |
| FR | Ryanair (airline identification code) |
| FR | Feature Request |
| FR | Francium |
| FR | French Roast (coffee) |
| FR | Formula Racing (gaming) |
| FR | Fiber-Reinforced |
| FR | Flight Radar (airplane tracking application) |
| FR | Fixed-Ratio |
| FR | Facial-Recognition |
| FR | Froese (blood group) |
| FR | Fumble Recovery (football) |
| FR | Fraserburgh (UK fishing boat registrations) |
| FR | fumble recovery |
| FR | Fraggle Rock (Muppets) |
| FR | Fighter Reconnaissance (aircraft) |
| FR | Fleet Reserve (US Navy) |
| FR | Full Reference |
| FR | Failure Report |
| FR | Firing Room (US NASA) |
| FR | Face Right |
| FR | First Robotics |
| FR | Fluid-Resistant |
| FR | Functional Requirement |
| FR | Flight Recorder |
| FR | Feasibility Report |
| FR | Fill Rate (logistics) |
| FR | Frosinone, Lazio (Italian province) |
| FR | Fähnrich (German) |
| FR | Ffestiniog Railway (Wales) |
| FR | Frequency Rate |
| FR | Fréquence Respiratoire (French: respiratory rate) |
| FR | Force Recon |
| FR | Force Recon (gaming) |
| FR | French Size (medical tubing unit of measurement) |
| FR | Fast Reverse |
| FR | Flat Rack |
| FR | Frenzal Rhomb (band) |
| FR | Fuel Remaining |
| FR | Fault Report |
| FR | Front-engine Rear-wheel drive |
| FR | Francorum Rex (Latin: King of the Francs, Codices and Manuscripts) |
| FR | Fluid Restriction (physiology) |
| FR | Flag Room (gaming) |
| FR | False Recognition |
| FR | Forest Renewal |
| FR | Fauna Rescue of South Australia Inc. |
| FR | Functional Review |
| FR | Foregone Revenue |
| FR | Fireroom |
| FR | Force Revision |
| FR | Fire Request (Army AFATDS) |
| FR | Fielding Runs (arcane baseball statistic) |
| FR | Flexible Reinforced (ventilation duct, mining) |
| FR | Fourth Rotor (band) |
| FR | Field Retrofit |
| FR | Family of Requirements |
| FR | Freedom Reborn (gaming organization) |
| FR | Fort Ruina (gaming; Cabal Online) |
| FR | Format Reload (operating system) |
| FR | Flag Representative |
| FR | Freight Release |
| FR | Ferry Roads (Virginia) |
| FR | Farm Reservoir |
| FR | Feudal Realms (game) |
| FR | Filtered Radiometer |
| FR | Flocculation Reaction - Sachs-Georgi Test |