| Abbreviation | Definition |
|---|---|
| HGEC | Henry Grube Education Centre |
| HGEC | Houston Geriatric Education Center |
| HH | Holt Handbook |
| HH | Home Health |
| HH | Homework Help |
| HHBE | Hip-Hop Based Education |
| HHE | Hartsville Home Educators |
| HHE | Heartland Home Educators |
| HHE | Hebrew Higher Education |
| HHE | Home and Hospital Education |
| HHE | Huskers for Higher Education |
| HHEC | Hispanic Higher Education Coalition |
| HHEC | Hope House Education Center |
| HHEC | Houlton Higher Education Center |
| HHL | Hip Holistic Learning |
| HHS | U. S. Department of Health and Human Services |
| HHW | Holiday Homework |
| HI | Hand In |
| HI | Hearing Impairment |
| HIBL | Hybrid Inquiry Based Learning |