EHA

• East Haven Academy, in Connecticut
• East Holmes Academy, a closed segregation academy in West, Mississippi
• Economic History Association, an American academic research society
• Education for All Handicapped Children Act, of the United States Congress
• Epstein Hebrew Academy, in Olivette, Missouri

• Eha (given name), an Estonian feminine given name
• Edward Hamilton Aitken (1851–1909), British naturalist and humorist
• Franz Eha (1907–1974), Swiss long distance runner

== Health ==

• European Hematology Association, a professional organisation
• EcoHealth Alliance A NGO for protecting health from infectious diseases

• East Hampton Aire, a defunct US airline
• Egg hatch assay
• Eha Railway, in China
• Electro-hydraulic actuator
• Elkhart–Morton County Airport, in Kansas, United States
• Engineering Heritage Awards
• England Handball Association
• English Hockey Association, now England Hockey
• Environmental Health Australia, a professional organisation
• Estonian Handball Association
• Ethernet Hardware Address

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