IWLS
| Acronym | Definition |
|---|---|
| IWLS | International Workshop on Logic Synthesis |
| IWLS | International Water Lily Society (est. 1984) |
| IWLS | Impact of Weight Loss Scale (HIV research) |
| IWLS | International Wilderness Leadership School |
| IWLS | Inselsberg & Winton Language School (Prague, Czechoslovakia) |