| Abbreviation | Definition |
|---|---|
| ECPI | European Council For Plasticisers Intermediates |
| ECPM | European Christian Political Movement |
| ECPO | European Cancer Prevention Organisation |
| ECPP | European Coalition of Positive People |
| ECPP | European Confederation of Psychoanalytic Psychotherapies |
| ECPP | European Conference of Positive Psychology |
| ECPR | European Consortium for Political Research |
| ECPV | European Corporate Publishing Verband |
| ECQ | European Championship Qualifiers |
| ECQA | European Certification and Qualification Association |
| ECQB | European Central Question Bank |
| ECR | European Congress of Radiology |
| ECR | European Conservatives and Reformists |
| ECRA | European Carpet and Rug Association |
| ECRA | European Cartridge Research Association |
| ECRA | European Cave Rescue Association |
| ECRA | European Cement Research Academy |
| ECRA | European Climate Research Alliance |
| ECRA | European Committee for Rope Access |
| ECRAN | European Communication on Research |