| Abbreviation | Definition |
|---|---|
| ESRF | European Synchrotron Radiation Facility |
| ESRI | European Studies Research Institute |
| ESRO | European Space Research Organisation |
| ESRR | European Symposium on Radiopharmacy and Radiopharmaceuticals |
| ESRS | European Sleep and Research Society |
| ESRS | European Sleep Research Society |
| ESRS | European Society for Rural Sociology |
| ESS | European Social Survey |
| ESS | European Spallation Source |
| ESS | European Sport Sedan |
| ESSB | Europe Sadc States Bridge |
| ESSC | European Science Support Centre |
| ESSC | European Sensor Systems Cluster |
| ESSC | European Social Services Conference |
| ESSC | European Society for Soil Conservation |
| ESSC | European Space Sciences Committee |
| ESSC | European Statistical System Committee |
| ESSD | European School Sport Day |
| ESSD | European School Sports Day |
| ESSE | European Society for the Study of English |