| Acronym | Definition |
|---|
| ECPA | European Crop Protection Association |
| ECPA | Evangelical Christian Publishers Association |
| ECPA | Electronic Communications Privacy Act |
| ECPA | Escon Channel Port Adapter |
| ECPA | Enhanced Channel Port Adapter |
| ECPA | European Commission on Preservation and Access |
| ECPA | Energy and Climate Partnership of the Americas (est. 2009) |
| ECPA | Éditions du Centre de Psychologie Appliquée (French: Applied Psychology Publishing Center) |
| ECPA | Early Childhood Program Aid (New Jersey) |
| ECPA | Energy Conservation and Production Act (US Department of Energy) |
| ECPA | Enquêtes Comprendre pour Agir (French road safety program) |
| ECPA | Electronic Communications Privacy Act 1986 (USA) |
| ECPA | EPCOR Centre for the Performing Arts (Alberta, Canada) |
| ECPA | Eye Care Plan of America (Luxottica) |
| ECPA | École de Conduite du Pays d'Arles (French driving school) |
| ECPA | Electric Consumers Protection Act of 1986 |
| ECPA | Expert Committee on Post Adjustment (UN) |