| Abbreviation | Definition |
|---|---|
| EQE | European Qualifying Examination |
| EQHA | European Quarter Horse Association |
| EQL | European Quake League |
| EQS | European Quilting Supplies |
| EQUASIS | European Quality Shipping Information System |
| ERA | European Reanalysis and |
| ERA | European Rental Association |
| ERAB | European Research Advisory Board |
| ERAC | European Radio Astronomy Club |
| ERAC | European Regional Aerodromes Community |
| ERAC | European Regional Affairs Consultants |
| ERAF | Eiropas Regionalas Attistibas Fonds (Latvian: European Regional Development Fund; est. 1957) |
| ERBP | European Renal Best Practice |
| ERC | Europe Research Center |
| ERC | European Radiocommunications Committee |
| ERC | European Repair Center |
| ERC | European Research Council |
| ERC | European Resuscitation Council |
| ERC | European Rover Challenge |
| ERCA | European Renal Care Association |