| Acronym | Definition |
|---|
| IWMS➣Integrated Workplace Management System |
| IWMS➣Identified Wildlife Management Strategy (Canada) |
| IWMS➣Integrated Waste Management System |
| IWMS➣Invoke Web Management System |
| IWMS➣Irrigation Water Management Society (Cheney, Washington) |
| IWMS➣Integrated Waste Management Solution |
| IWMS➣Inventory Warehouse Management System |
| IWMS➣Institute for Wealth Management Standards |