| Abbreviation | Definition |
|---|---|
| IIE | Institute of Islamic Education |
| IIE | The Institute of Industrial Engineers |
| IIEC | Institute for Industry Education Collaboration |
| IIEC | Institute for Industry – Education Collaboration |
| IIEE | Indian Institute of Ecology and Environment |
| IIEE | Indonesian Institute for Energy Economics |
| IIEE | International Institute for Emotional Empowerment |
| IIEI | International Import Export Institute |
| IIEI | International Integrative Educational Institute |
| IIEP | Institute for International Economic Policy |
| IIER | Institute for Integrated Economic Research |
| IIER | Institute of International Economics Relations |
| IIER | International Institute for Engineers and Researchers |
| IIER | International Institute of Engineers and Researchers |
| IIER | Iraqi Institute for Economic Reform |
| IIES | Indian Institute of Embedded Systems |
| IIES | Institute for International Economic Studies |
| IIES | Institute of Innovation Entrepreneurship Skills |
| IIET | Indian Institute of Education Trust |
| IIET | Indian Institute of Engineering and Technology |