ECWA
| Acronym | Definition |
|---|---|
| ECWA | Erie County Water Authority (New York) |
| ECWA | East Coast Wrestling Association |
| ECWA | Economic Commission for Western Asia (ESCWA) |
| ECWA | Evangelical Church of West Africa. Ecwa (Nigeria) |
| ECWA | Evangelical Church Winning All (Jos, Plateau State, Nigeria) |
| ECWA | Environment Centre of Western Australia (Perth, Western Australia, Australia) |