WECA
| Acronym | Definition |
|---|---|
| WECA | Wireless Ethernet Compatibility Alliance |
| WECA | Wisconsin Early Childhood Association (Madison, WI) |
| WECA | West and Central Africa |
| WECA | Associazione Webmaster Cattolici Italiani (Italian Catholic Webmasters Association) |
| WECA | Westchester Emergency Communications Association (amateur radio emergency communications in southern NY state) |
| WECA | Washington Exchange Carrier Association |