Found 16 full forms for IAU
| Term | Full Form | Category |
|---|---|---|
| IAU | I Am Unstoppable 
| Others |
| IAU | I Am Useless
| Others |
| IAU | Independent Air University
| Others |
| IAU | Independent Analysis Unit
| Others |
| IAU | Indian Astronomical Union
| Others |
| IAU | Inpatient Assessment Unit
| Others |
| IAU | Institute for American Universities
| Others |
| IAU | International American University
| Others |
| IAU | International Animator Union
| Others |
| IAU | International Association of Ultrarunners
| Others |
| IAU | International Association of Universities
| Others |
| IAU | International Astronomical Union
| Group, Organization, Astronomy |
| IAU | Internet Acceleration Utility
| Others |
| IAU | Irrelevant Astronomical Union
| Others |
| IAU | Islamic Azad University
| Others |
| IAU | Union Astronomique Internationale
| Others |