| Acronym | Definition |
|---|
| IEMA | Illinois Emergency Management Agency (ESDS/Civil Defense) |
| IEMA | Institute of Environmental Management and Assessment |
| IEMA | International Ensemble Modern Academy (Germany) |
| IEMA | International Electronic Music Association |
| IEMA | Impuesto a Las Empresas Mercantiles y Agropecuarias (Spanish: Tax on Commercial and Agricultural Enterprises; Guatemala) |
| IEMA | Interactive Entertainment Merchants Association |
| IEMA | Iowa Educational Media Association |
| IEMA | Intelligent Energy Management Agent |
| IEMA | Immuno Enzymometric Assay |