| Abbreviation | Definition |
|---|---|
| ELSO | Extracorporeal Life Support Organization |
| EMA | Entertainment Merchants Association |
| EMA | European Manipuri Association |
| EMAS | Evangelical Medical Aid Society |
| EMBA | Employee Mutual Benefit Association |
| EMBO | European Molecular Biology Organisation |
| EMEAC | Eastern Michigan Environmental Action Council |
| EMERCA | Eden Mills Eramosa River Conservation Association |
| EMI | Engineering Ministries International |
| eMiC | Engineering Ministries International Canada |
| EMIRA | Eurocontrol Maastricht Information Retriever Application |
| EMNA | Executive Master of Nonprofit Administration |
| EMO | Ex-Member Of .... |
| EMPA | European Maritime Pilots' Associaton |
| EMPOWER | Early Moms Proving Our Worth Embracing Revolution |
| EMRO | Egyptian Mau Rescue Organization |
| EMS | Early Music Society |
| ENACT | Eastside Neighborhood Advisory Council of Tacoma |
| ENARO | Equality Now Africa Regional Office |
| ENCF | Edmonton Nature Centres Foundation |