| Abbreviation | Definition |
|---|---|
| EECO | Expanding Effective Contraceptive Options |
| EESR | ethanol extract of Symplocos racemosa |
| EESR | ethanolic extracts of Symplocos racemosa |
| EFMS | Egyptian Federation for Motor Sports |
| EFR | Engineered For Racing |
| EFT | Earliest Finish Time |
| EKR | Eddie Knox Racing |
| ELTO | Employers Liability Tracing Office |
| ELTO | Employers' Liability Tracing Office |
| EMRA | East Midland Racing Association |
| EMRA | Eastern Motor Racing Association |
| EMSF | Emirates Motor Sports Federation |
| EODO | Embracing Our Differences Ohio |
| ER | Engineered for Racing |
| ERASE | Eliminate Racing Activity on Streets Everywhere |
| ERBL | End Race Based Law |
| ERC | east race course |
| ERC | Edwardian Racing Car |
| ERC | Experienced Rider Course |
| ERM | Endfors Racing Motors |