WESM
| Acronym | Definition |
|---|---|
| WESM | Wholesale Electricity Spot Market (Philippine legislation) |
| WESM | Wildlife and Environmental Society of Malawi |
| WESM | Wireless Edge Services Module (Hewlett-Packard Development Company, LP) |
| WESM | Weis Earth Science Museum (Menasha, WI) |
| WESM | Websphere Everyplace Subscription Manager (IBM) |