| Acronym | Definition |
|---|
| HAR➣Highway Advisory Radio |
| HAR➣Houston Association of Realtors |
| HAR➣Harrisburg (Amtrak station code; Harrisburg, PA) |
| HAR➣Humanitarian Action Report (UNICEF) |
| HAR➣Haryana (India) |
| HAR➣Hawaii Administrative Rules |
| HAR➣Hit and Run |
| HAR➣Hyperacute Rejection (gastroenterology) |
| HAR➣Hadoop Archives |
| HAR➣Harmonization (certification mark for low voltage energy cables) |
| HAR➣Highway Accident Report (various locations) |
| HAR➣High Aspect Ratio |
| HAR➣Hospital Account Record (various locations) |
| HAR➣Human Accelerated Region (gene) |
| HAR➣Hope After Rape |
| HAR➣High Altitude Redesign (FAA) |
| HAR➣Hazard Analysis Report |
| HAR➣Helicopter Aerial Refueling |
| HAR➣Height Above Runway |
| HAR➣HST Anomaly Report |
| HAR➣Horse of the Americas Registry |
| HAR➣Help Age/Rwanda |
| HAR➣Herpetological Association of Rhodesia |
| HAR➣Helicopter Assault Regiment |
| HAR➣Hotel Attachment Rate |
| HAR➣Hydrologic Assessment Report |