| Acronym | Definition |
|---|
| IWAC➣Inland Waterways Advisory Council (UK) |
| IWAC➣International Water Assessment Centre |
| IWAC➣Injured Workers Action Committee |
| IWAC➣Invasive Weed Awareness Coalition |
| IWAC➣Information Warfare Application Course (Maxwell Air Force Base, Alabama) |
| IWAC➣Imo Women Awareness Campaign (Nigeria) |
| IWAC➣International Women's Anthropology Conference, Inc. |