| Abbreviation | Definition |
|---|---|
| IVMS | In Vehicle Management System |
| IVMS | Intelligent Video Management System |
| IVPM | Integrated Vegetation and Pest Management |
| IVTM | INHOUSE Venue Technical Management |
| IWIMS | Integrated Wastewater Information Management System |
| IWIMS | Interim Work Information Management System |
| IWM | Interactive Web Management |
| IWM | Interactive Weight Management |
| IWMA | Integrated Waste Management Account |
| IWMA | Integrated Waste Management Authority |
| IWMA | Irish Waste Management Association |
| IWMD | Integrated Waste Management Department |
| IWMD | Integrated Waste Management Division |
| IWMF | Integrated Waste Management Facilities |
| IWMI | Integrated Waste Management Inc |
| IWMP | Integrated Waste Management Plan |
| IWMP | Integrated Watershed Management Planning |
| IWMP | Integrated Watershed Management Programme |
| IWMP | Irrigation and Watershed Management Program |
| IWPR | Institute for War and Peace Reporting |