| Acronym | Definition |
|---|
| IISE➣International Institute for Species Exploration (Arizona State University; Tempe, AZ) |
| IISE➣Institute for International Studies in Education |
| IISE➣Industrial Informatics and Systems Engineering |
| IISE➣International Institute for Special Education (India) |
| IISE➣International Institute for the Study of Englishness (international conference) |
| IISE➣Institute of Information Sciences and Electronics (University of Tsukuba; Tsukuba, Ibaraki, Japan) |