| Acronym | Definition |
|---|
| HEA | Higher Education Act of 1965 |
| HEA | Home Energy Assessment |
| HEA | High Energy Astrophysics |
| HEA | Happily Ever After |
| HEA | Higher Education Authority |
| HEA | Higher Education Academy (York, UK) |
| HEA | Hybrid Evolutionary Algorithm |
| HEA | Healdsburg (Amtrak station code; Healdsburg, CA) |
| HEA | Health Education Authority |
| HEA | Halifax Estate Agencies Ltd. (UK) |
| HEA | Hitachi Elevator Asia (Singapore) |
| HEA | Hydroxyethyl Acrylate |
| HEA | Household Economy Approach |
| HEA | Habitat Equivalency Analysis (placing a value on natural resources damaged for compensation) |
| HEA | Hypospadias and Epispadias Association (New York) |
| HEA | Hockey East Association |
| HEA | Humanitarian and Emergency Affairs (World Vision) |
| HEA | Hensley, Elam & Associates (Kentucky) |
| HEA | Health Effects Assessment |
| HEA | Hyperion Electronics Assembly |
| HEA | High-Explosive-Assembled |
| HEA | Hyundai Electronics of America |
| HEA | Homeowners Education Association, LLC |
| HEA | Human Engineering Assessment |
| HEA | Head-End Assembly |