| 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 |