| Rank | Abbreviation | Meaning |
|---|
| ***** | HREC | Human Research Ethics Committee (Australia)
| |
| **** | HREC | Human Retinal Microvascular Endothelial Cell
| |
| **** | HREC | Human Resources Ethics Committee
| |
| *** | HREC | human retinal endothelial cell
| |
| *** | HREC | Human Rights Education Center
| |
| *** | HREC | Human Rights Educational Center
| |
| *** | HREC | Human Rights Education Centre
| |
| *** | HREC | Hawaii Real Estate Commission
| |
| *** | HREC | Highland Rim Economic Corporation
| |
| *** | HREC | Health Research and Education Center
| |
| *** | HREC | Hopland Research and Extension Center
| |
| *** | HREC | Haringey Race Equality Council (UK local government)
| |
| ** | HREC | Houston Real Estate Council
| |
| ** | HREC | Hunt Real Estate Corporation
| |
| ** | HREC | Haryana Roadways Engineering Corporation
| |
| ** | HREC | Human Resource Executive Council
| |
| ** | HREC | Hospitality Real Estate Counselors
| |
| * | HREC | high risk endometrial cancer
| |
| * | HREC | Health Research Ethics Council
| |
| * | HREC | Health Record
| |
| * | HREC | Hood River Electric Cooperative
| |
| * | HREC | Heartland Rural Electric Cooperative
| |
| * | HREC | Health Research Ethics Committee
| |
| * | HREC | Historical Recognized Environmental Condition
| |
| * | HREC | Humber Resource Efficiency Centre
| |