IAUS
| 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) |