IEAS
| Acronym | Definition |
|---|---|
| IEAS | Institute of East Asian Studies |
| IEAS | Institute of Economics, Academia Sinica (Economics research institute in Taiwan) |
| IEAS | Institute of English and American Studies (Hungary) |
| IEAS | International Experimental Aerospace Society |
| IEAS | International Eurasian Academy of Sciences |
| IEAS | In Every Aspect Seen (graphics) |
| IEAS | International Exotic Animal Sanctuary, Inc. (Boyd, TX) |