| Abbreviation | Definition |
|---|---|
| IEHP | Institute of Emerging Health Professions |
| IEI | Innovation and Entrepreneurship Institute |
| IEI | Institute for |
| IEI | Institute for Economic Inquiry |
| IEI | Institute for Emerging Issues |
| IEI | Institute for Engineered Interfaces |
| IEI | Institute for Engineering Interface |
| IEI | Institute for Entrepreneurship and Innovation |
| IEI | Institution of Engineers India |
| IEI | Institution of Engineers of Ireland |
| IEI | Intensive English Institute |
| IEI | International Educators Institute |
| IEI | International English Institute |
| IEI | International Epidemiology Institute |
| IEIA | Institute on Economics and International Affairs |
| IEICE | Institute of Electronics Information and Communication Engineers |
| IEICI | Israel Export and International Cooperation Institute |
| IEICI | Israel Export International Cooperation Institute |
| IEIP | Institute of European Integration and Policy |
| IEL | Institute for Energy Law |