WELS
| Acronym | Definition |
|---|---|
| WELS | Wisconsin Evangelical Lutheran Synod |
| WELS | Water Efficiency Labelling Scheme (Water Efficiency Labelling and Standards Act; Australia) |
| WELS | Winsted Equipment Layout Software |
| WELS | West of the Easterly Line of the State (Maine) |
| WELS | Western Educational Longitudinal Study |
| WELS | Wireless Emergency Lighting System (aerospace) |