| Acronym | Definition |
|---|
| HFR | High Frame Rate (movies) |
| HFR | Hedge Fund Research, Inc. |
| HFR | Health, Flammability, Reactivity (hazardous waste) |
| HFR | Hotfix Report |
| HFR | Hybrid Fibre Radio |
| HFR | High Frame Rate |
| HFR | Half Rate Mode |
| HFR | High Flux Reactor |
| HFR | Halogenated Flame Retardant (chemical product) |
| HFR | Hedge Fund Returns (mergers/arbitrages) |
| HFR | Hold for Release |
| HFR | Huge Fast Router (Cisco) |
| HFR | Historical Fire Regime |
| HFR | High Frequency Radio |
| HFR | Hotfix Rollup |
| HFR | Hardware Failure Rate |
| HFR | Hybrid Fiber Radio |
| HFR | High Frequency Recombinant |
| HFR | High Force Research |
| HFR | Hazard Fuel Reduction (safety program) |
| HFR | High Focal Range (photography) |
| HFR | High Frequency Resonance Technique |
| HFR | High Fidelity Radar (US Air Force) |
| HFR | Hiding Field Variable Removal |