| Acronym | Definition |
|---|
| ECDA | External Corrosion Direct Assessment (oil & gas industry) |
| ECDA | Early Childhood Development Association (Canada) |
| ECDA | Expertise Comptable Deheul et Associés (French accounting firm) |
| ECDA | Evergreen Community Development Association (Yakima, WA) |
| ECDA | European Chronic Diseases Alliance (est. 2009) |
| ECDA | Edinburgh Cheer and Dance Academy (UK) |
| ECDA | Électricité Chauffage Détection Alarme (French: Electricity Heating Alarm Detection) |
| ECDA | Electronic Child Development Associate |
| ECDA | European Cycle Development Agency |
| ECDA | Eastern Cheer and Dance Association (South Hill, VA) |
| ECDA | Étude et Construction d'Automatisme (French: Study of Construction and Automation) |
| ECDA | Expression College for Digital Arts |