| HEA | Habitat Equivalency Analysis 
| Others |
| HEA | Handler Erst Ausstattung
| Others |
| HEA | Happily Ever After
| Others |
| HEA | Happily Forever After
| Others |
| HEA | Happy Ever After
| Others |
| HEA | Hayward Education Association
| Others |
| HEA | Head Equipment Assembly
| Others |
| HEA | Health and Environmental Assessment
| Others |
| HEA | Health Education Authority (abolished in 2000)
| Others |
| HEA | Health Equity Audit
| Others |
| HEA | Healthy Eyes Advantage
| Others |
| HEA | Hebrew Educational Alliance
| Others |
| HEA | Hektoen enteric agar
| Others |
| HEA | High Efficiency Airless
| Others |
| HEA | High Efficiency Alternator
| Others |
| HEA | High Elf Archer
| Others |
| HEA | Higher Education Academy
| Others |
| HEA | Higher Education Act
| Others |
| HEA | Higher Education Act of 1965
| Others |
| HEA | Higher Education Administration
| Others |
| HEA | Higher Education Association
| Others |
| HEA | Higher Education Authority
| Others |
| HEA | Highline Education Association
| Others |
| HEA | Highline Electric Association
| Others |
| HEA | Hillsboro Education Association
| Others |
| HEA | Hockey East Association
| Others |
| HEA | Home Energy Analytics
| Others |
| HEA | Home Energy Assistance
| Others |
| HEA | Homer Electric Association
| Others |
| HEA | Horizon Education Alliance
| Others |
| HEA | Horticultural Exhibitors Association
| Others |
| HEA | Household Economic Approach
| Others |
| HEA | Household Economy Assessment
| Others |
| HEA | Houston Eye Associates
| Others |
| HEA | Humanitarian and Emergency Affairs
| Others |
| HEA | Humanitarian Education Accelerator
| Others |
| HEA | Huntsville Education Association
| Others |
| HEA | Hypospadias and Epispadias Association
| Others |