| Abbreviation | Definition |
|---|---|
| EMA | Envelope Manufacturers Association |
| EMA | Environmental Media Association |
| EMA | Executive Managers Association |
| EMAO | Eastern Mediterranean Association of Osseointegration |
| EMAO | Emergency Management Association of Ohio |
| EMEA | European Music Educators Association |
| EMLA | Estonian Music Library Association |
| EMLA | European Medical Laser Association |
| EMRA | Emergency Medicine Residents' Association |
| EMS | Economic Management Science |
| EMTA | Evolution Manufacturing Trade Association |
| ENDST | Endorsement Statement |
| ENPPI | Engineering for Petroleum and Process Industries |
| ENSR | European Network for SME Research |
| EOCP | Eastern Oklahoma County Partnership |
| EOQ | European Organization for Quality |
| EOS | Engineering Outreach Society |
| EPA | Earth Protection Association |
| EPA | Eastern Psychological Association |
| EPA | Endangered Places Association |