| Acronym | Definition |
|---|
| IWAA➣International Workshop on Accelerator Alignment |
| IWAA➣International Water Association |
| IWAA➣Institute of Western American Art (Denver, CO) |
| IWAA➣Immigrant Workers Assistance Alliance (New York, NY) |
| IWAA➣Interfaith Women Against Abuse |
| IWAA➣International Writers and Artists Association (Bluffton, CA) |