| Abbreviation | Definition |
|---|---|
| ECU | Eastman Credit Union |
| ECU | Educators Credit Union |
| ECUC | Education Credit Union Council |
| EDCU | Educators Credit Union |
| EDCU | Evergreen Direct Credit Union |
| EDSU | European Deaf Students Union |
| EEAU | European Estate Agents Union |
| EECU | Esso Employees Credit Union |
| EEFCU | Evonik Employees Federal Credit Union |
| EEFSU | Eastern Europe and Former Soviet Union |
| EEFSU | Eastern Europe and the Former Soviet Union |
| EETPU | Electrical Electronic Telecommunication and Plumbing Union |
| EETPU | Electrical Electronic Telecommunication Plumbing Union |
| EETPU | Electrical Electronic Telecommunications and Plumbing Union |
| EEU | Eastern European Union |
| EEU | Euasia Economic Union |
| EEU | Eurasia Economic Union |
| EEU | Eurasian Economic Union |
| EEU | European Economic Union |
| EFAC | Evangelical Fellowship of Anglican Communion |