| Acronym | Definition |
|---|
| IWMD➣International Workers Memorial Day (April 28) |
| IWMD➣Integrated Waste Management Department (Orange County, CA) |
| IWMD➣It's Wednesday My Dudes |
| IWMD➣Interdisciplinaire Werkgroep Medische Deskundigen (Dutch: Medical Experts Interdisciplinary Working Group; Vrije University Amsterdam; Netherlands) |
| IWMD➣Incendiary Weapon of Mass Destruction |
| IWMD➣Internet Weapon of Mass Destruction (cybersecurity) |
| IWMD➣International Workshop on Mobile Databases |