| Abbreviation | Definition |
|---|---|
| EOPS | European Ophthalmic Pathology Society |
| EOQ | European |
| EOQ | European Organisation for Quality |
| EORS | European Orthopaedic Research Societys |
| EORS | European Orthopedic Research Society |
| EORT | European Organization for Research and Treatment |
| EORTC | European Organisation for Research and Treatment of Cancer |
| EOSC | European Open Science Cloud |
| EOSD | European Organisation for Sustainable Development |
| EOSE | European Observatoire of Sport and Employment |
| EOSE | European Observatory of Sport and Employment |
| EOT | European Operational Team |
| EOTA | European Ohara Teachers Association |
| EOTA | European Organisation for Technical Approvals |
| EOTA | European Organization for Technical Approvals |
| EOW | European Observatory of Wildlife |
| EP | European Patent |
| EP | European Preparation |
| EP | European Prepared |
| EPA | European Pressphoto Agency |