| Abbreviation | Definition |
|---|---|
| HEA | Homer Electric Association |
| HEA | Horticultural Exhibitors Association |
| HEAA | Hoffman Estates Athletic Association |
| HEAI | Health Economics Association of India |
| HEAI | Health Economics Association of Ireland |
| HEBA | Heart of England Baptist Association |
| HEERA | Higher Education External Relations Association |
| HEMSA | Highway Electrical Manufacturers and Suppliers Association |
| HENA | Hawaii Export Nursery Association |
| HEPA | Higher Education Procurement Association |
| HESA | Harvard Extension Student Association |
| HESA | Higher Education Student Association |
| HESA | Higher Education Students Association |
| HESCA | Higher Education Smart Campus Association |
| HESTA | Health and Exercise Science Technologists Association |
| HETA | Humberside Engineering Training Association |
| HEVA | Humboldt Electric Vehicle Association |
| HEVRA | Hybrid Electric Vehicle Repair Association |
| HFA | Heart Failure Association |
| HFA | Hedge Fund Association |