| Acronym | Definition |
|---|
| ECDO➣Ethnic Community Development Organization (Bangladesh) |
| ECDO➣Experts-Conseils pour le Développement des Organisations (French: Development Organizations Consulting Experts) |
| ECDO➣European Cell Death Organization (est. 1994) |
| ECDO➣Ecumenical Community Development Organization (New York, NY) |
| ECDO➣Enteric Cytopathic Dog Orphan |
| ECDO➣Étoile Cycliste Duquesne Oullins (French cycling club) |
| ECDO➣Études Composites Distribution Ouest (French: Studies Composites Distribution West) |
| ECDO➣Electronic Community Dial Office |