| Rank | Abbreviation | Meaning |
|---|
| ***** | HERD | Horses for Riders with Disabilities
| |
| ***** | HERD | Higher Education Research and Development
| |
| **** | HERD | Health and Environmental Review Division
| |
| **** | HERD | Human and Ecological Risk Division
| |
| **** | HERD | Human Experimental and Research Data Records
| |
| **** | HERD | Human Exposure Research Division
| |
| **** | HERD | Human Experimental and Research Data
| |
| **** | HERD | Home Educators Resource Directory
| |
| **** | HERD | High-Explosive Research & Development
| |
| *** | HERD | Higher Education Regional Development
| |
| *** | HERD | Higher Education Researcher Development
| |
| ** | HERD | Health Environments Research and Design
| |
| ** | HERD | Hereditary equine regional dermal
| |
| ** | HERD | Heifer Evaluation and Reproductive Development
| |