| Acronym | Definition |
|---|
| EWCA➣England and Wales Court of Appeal (UK) |
| EWCA➣European Writing Centers Association |
| EWCA➣East-West Center Association (Honolulu, HI) |
| EWCA➣European Workshop on Conformal Antennas (est. 1999) |
| EWCA➣Ethiopian Wildlife Conservation Authority (Ethiopia) |