IASS
| Acronym | Definition |
|---|---|
| IASS | International Association for Shell and Spatial Structures (est. 1959; Madrid, Spain) |
| IASS | International Association for Semiotic Studies (est. 1969) |
| IASS | International Association of Survey Statisticians (Libourne, France) |
| IASS | Importer Activity Summary Statement |
| IASS | Image Access Services Specification |
| IASS | Integrated Amplifier and Speaker System |
| IASS | Intelligence Analysis & Support System |