| Term | Full Form | Category |
|---|---|---|
| HREI | Harvest Real Estate Investments | Others |
| HREI | Hawaii Real Estate Investors | Others |
| HREI | Health Research Engagement Intervention | Others |
| HREI | Healthcare Real Estate Insights | Others |
| HREI | Healthcare Renewable Energy Initiative | Others |
| HREI | Human Resources Equity and Inclusion | Others |
| HREI | Human Rights Education Institute | Others |
| HREI | Hybrid renewable energy integration | Others |