| Acronym | Definition |
|---|
| IAUS➣Institute for Architecture and Urban Studies (New York) |
| IAUS➣International Astronomical Union Symposium |
| IAUS➣Islamic Azad University Sabzevar (Sabzevar, Iran) |
| IAUS➣International Association of Ukrainian Studies (est. 1990; Ukraine) |
| IAUS➣International Ash Utilization Symposia (coal) |