| Acronym | Definition |
|---|
| IWOC➣Independent Writers of Chicago |
| IWOC➣International Wizard of Oz Club |
| IWOC➣Impreza Web Owners Club (car club; UK) |
| IWOC➣International Wheel of Colour Association (UK) |
| IWOC➣Ignace-White Otter Country (Canada) |
| IWOC➣Immanuel World Outreach Center (Philippines) |