| Acronym | Definition |
|---|
| HRF | HSU Research Forum |
| HRF | Homeland Response Force (US DoD) |
| HRF | Human Rights First (formerly known as the Lawyers Committee for Human Rights) |
| HRF | Human Rights Forum |
| HRF | Hitachi Raster Format |
| HRF | Human Rights Foundation |
| HRF | Health Research Foundation (Canada) |
| HRF | Human Research Facility |
| HRF | Human Relief Foundation |
| HRF | High Readiness Force |
| HRF | Hyperbaric Rescue Facility (various companies) |
| HRF | Harmonic Rejection Filter |
| HRF | Heart-Rate Fluctuation (cardiology) |
| HRF | Honorary Research Fellow (various universities) |
| HRF | Historic Richmond Foundation (Virginia) |
| HRF | Historic Restoration Fund (Connecticut Commission on Culture and Tourism) |
| HRF | Humanities Research Fellowship |
| HRF | Housing Reserve Fund (various locations) |
| HRF | Hypertensive Renal Failure |
| HRF | Humanitarian Response Funds |
| HRF | Human Resource Function |
| HRF | Historic Resources Fund (Virginia) |
| HRF | Height Range Finder |
| HRF | Hazard Rate Function (reliability) |
| HRF | Heavyduty Roll Feed |
| HRF | High Reliability Fighter |
| HRF | Home Radio Frequency Standard (HRFWG) |
| HRF | Hairpin-Resonator Filter |
| HRF | Human Relations Foundation (Chicago, IL) |
| HRF | Hussmann Refrigerator Company |
| HRF | Holistic Resources Foundation |
| HRF | Harris Return Flow (enema) |