| Acronym | Definition |
|---|
| IIAS➣International Institute for Advanced Studies (Kyoto, Japan) |
| IIAS➣International Internet Associate Symposium |
| IIAS➣International Internet Advertising Services |
| IIAS➣Inventory Information Approval System |
| IIAS➣Indian Institute of Advanced Study |
| IIAS➣International Institute of Administrative Sciences |
| IIAS➣International Institute of Asian Studies (Leiden and Amsterdam, Netherlands) |
| IIAS➣Istituto Italiano Alimenti Surgelati (Italian: Italian Frozen Food Institute) |
| IIAS➣International Internet Advertising Services (Abbotsford, British Columbia, Canada) |
| IIAS➣International Institute of American Studies (est. 1958; Doshisha University; Japan) |