| Acronym | Definition |
|---|
| WESA➣Water and Earth Science Associates (Canada) |
| WESA➣Western Sandpiper (bird species Calidris mauri) |
| WESA➣Western and English Sales Association (Denver, CO) |
| WESA➣Water Employee Services Authority (California) |
| WESA➣Wapeneienaars van Suid-Afrika (Afrikaans: Gun Owners of South Africa) |
| WESA➣Welfare Support Assistance |