| 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) |