EHA
- East Hampton Aire
- East Haven Academy
- East Holmes Academy
- EcoHealth Alliance
- Economic History Association
- Education for All Handicapped Children Act
- Edward Hamilton Aitken
- Egg hatch assay
- Eha (given name)
- Eha Railway
- Electro-hydraulic actuator
- Elkhart–Morton County Airport
- Engineering Heritage Awards
- England Handball Association
- English Hockey Association
- Environmental Health Australia
- Epstein Hebrew Academy
- Estonian Handball Association
- Ethernet Hardware Address
- European Hematology Association
- Franz Eha
- NGO