| ECPA | Early Childhood Program Aid 
| Others |
| ECPA | Eastern Catholic Pastoral Association
| Others |
| ECPA | Electronic Commerce Protection Act
| Others |
| ECPA | Electronic Communications Privacy Act
| Others |
| ECPA | Electronic Communications Privacy Act 1986
| Others |
| ECPA | Energy and Climate Partnership of the Americas
| Others |
| ECPA | Energy Conservation and Production Act (Thailand)
| Others |
| ECPA | Enhanced Channel Port Adapter
| Others |
| ECPA | Escon Channel Port Adapter
| Others |
| ECPA | European Crop Protection Association
| Others |
| ECPA | Evangelical Christian Publishers Assn
| Others |
| ECPA | Evangelical Christian Publishers Association
| Others |