EWCA
| 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) |