| IEAM | Interactive eLearning Activities and Materials | |
| IEAM | Interconnection Earning Adjustment Mechanism | |
| IEAO | Irish Ethiopian Adoption Organisation | |
| IEAO | Istituto Europeo Arti Operative | |
| IEAP | Intensive English for Academic Purposes | |
| IEAP | Integrated Elective Access Protocol | |
| IEAP | Integrated English for Academic Purposes | |
| IEAP | Independent Environmental Advisory Panel | |
| IEAP | Insulation Energy Appraisal Program | |
| IEAP | Institutional Effectiveness Assessment and Planning | |
| IEAP | Individualized Employment Assistance Plan | |
| IEAP | Intiman Emerging Artist Program | |
| IEAP | Incident and Emergency Action Plan | |
| IEAP | Institute of Experimental and Applied Physics | |
| IEAP | Institute of Experimental and Applied Physics | |
| IEARN | International Education and Resource Network | |
| IEARN | International Education and Resource Network | |
| IEARN | Indian European Advanced Research Network | |
| IEARN | Indian European Advanced Research Network | |
| IEAU | Intermodal Equipment Associates | |
| IEAU | International Entertainment Adult Union | |
| IEAU | International Entertainment Adult Union | |
| IEAU | Institucion Educativa Agricola de Uraba | |
| IEAust | Institution of Engineers Australia | |
| IEAVE | I Leave |
