| Acronym | Definition |
|---|
| ECCR | Ecumenical Council for Corporate Responsibility (UK) |
| ECCR | European Consortium for Communications Research |
| ECCR | European Council for Cardiovascular Research (UK) |
| ECCR | Extended Communication Control Register (computer programming) |
| ECCR | Étude Conception Construction Réhabilitation (French: Study Design Construction Rehabilitation) |
| ECCR | Étude-Conseil-Coordination-Réalisation (French: Study-Design-Coordinating Council) |
| ECCR | École de Conduite la Citadelle du Rocher (French driving school) |
| ECCR | Études Conseil Construction Réunion (French: Construction Studies Council Meeting) |
| ECCR | Electronic Closed Circuit Rebreather |
| ECCR | Ethnic Conflict and Conflict Resolution |
| ECCR | Easement with Covenants Conditions & Restrictions |