| Acronym | Definition |
|---|
| ECAH➣Electrical Contractors Association of Hawaii (Honolulu, HI) |
| ECAH➣European Council for Accreditation in Hematology (European Hematology Association and European School of Haematology) |
| ECAH➣Environmental Compliance Audit Handbook (est. 1993; US FWS) |
| ECAH➣Enseignement Catholique Hannut (French: Catholic Education Hannut; Hannut, Belgium) |
| ECAH➣Extended Circle Animal Haven |