| IEL | IET Electronic Library 
| Others |
| IEL | Illustrative Evaluation Scenario
| Others |
| IEL | Im Echten Leben
| Others |
| IEL | Immersive Environments Lab
| Others |
| IEL | Independent Engineering Laboratories
| Others |
| IEL | Inderscience Enterprises Limited
| Others |
| IEL | Indirect Effects of Lightning
| Others |
| IEL | Inferential Erotetic Logic
| Others |
| IEL | Institute for Educational Leadership
| Others |
| IEL | Institute for Energy Law
| Others |
| IEL | Institute for Ethical Leadership
| Others |
| IEL | Institute For Experiential Learning
| Others |
| IEL | Institute for Extended Learning
| Others |
| IEL | Institute for Extraordinary Living
| Others |
| IEL | Institute of English Language
| Others |
| IEL | Institute of Entrepreneurial Leadership
| Others |
| IEL | Instituto Euvaldo Lodi
| Others |
| IEL | Integration Engineering Laboratory
| Others |
| IEL | Integrity Express Logistics
| Others |
| IEL | Interform Editing Lab
| Others |
| IEL | Internal Elastic Lamina
| Others |
| IEL | International Education Leadership
| Others |
| IEL | International English Learners
| Others |
| IEL | International Environmental Law
| Others |
| IEL | Interscholastic Equestrian League
| Others |
| IEL | Intra-Epithelial Lymphocytes
| Others |