IASI
| Acronym | Definition |
|---|---|
| IASI | International Association for Sports Information (est. 1960) |
| IASI | Infrared Atmospheric Sounding Interferometer |
| IASI | Istituto di Analisi dei Sistemi ed Informatica (Italian:Institute of Systems Analysis and Computer Science) |
| IASI | Inter-American Statistical Institute (Buenos Aires, Argentina) |
| IASI | Irish Accommodation Services Institute (Dublin, Ireland; formerly the Association of Hotel Accommodation Management) |
| IASI | Intra-Americas Sea Initiative (University of Miami; Miami, FL) |