| Abbreviation | Definition |
|---|---|
| HTRI | Heat Transfer Research Incorporated |
| HTRI | Heat Transfer Research Institute |
| HTRI | Human Trafficking Research Initiative |
| HTRS | Hemostasis and Thrombosis Research Society |
| HTSR | Health Technology Services Research |
| HUJRA | Holistic Understanding for Justified Research and Action |
| HURA | Hooper Undergraduate Research Award |
| HURI | Highlander Undergraduate Research Institute |
| HURIS | Harvard University Research Information System |
| HURT | Honors Undergraduate Research Training |
| HVTR | HIV Vaccine Translational Research |
| HWRC | Hazardous Waste Research Center |
| HWRC | Health Workforce Research Center |
| HWRF | Hurricane Weather and Research Forecast |
| HWRF | Hurricane Weather Research and Forecasting |
| I8R | InovEightoR |
| IAAER | International Association for Accounting Education and Research |
| IAAR | Institute for African American Research |
| IABR | International Association for Breath Research |
| IABR | International Association of Breath Research |