| Acronym | Definition |
|---|
| IWMC➣Island Waste Management Corporation (Prince Edward Island) |
| IWMC➣Irish World Music Centre |
| IWMC➣International Wildlife Management Consortium (Lausanne, Switzerland) |
| IWMC➣Iron Warriors Motorcycle Club |
| IWMC➣I Want My Cheerios |
| IWMC➣Iron Workers Motorcycle Club (San Francisco, CA) |