| Abbreviation | Definition |
|---|---|
| EMSN | European Marfan Support Network |
| EMSN | European Maritime Simulator Network |
| EMSO | European Medical Students' Orchestra |
| EMSO | European multidisciplinary seafloor observatory |
| EMSP | European Multiple Sclerosis Platform |
| EMSS | European Modeling and Simulation Symposium |
| EMSW | European Maritime Single Window |
| EMTA | European Metropolitan Transport Authorities |
| EMTC | European Music Therapy Confederation |
| EMTI | European Massage Therapy Institute |
| EMTR | European Music Therapist Register |
| EMTS | European Mountain Travel Summit |
| EMU | European Metal Union |
| EMUG | European MELCOR User Group |
| EMYA | European Museum of the Year Award |
| EN | European Norms |
| EN | European Number |
| ENA | European Network Architecture |
| ENA | European NORM Association |
| ENA | European Nucleotide Archive |