| Abbreviation | Definition |
|---|---|
| ECTF | European Champion Tree Forum |
| ECTF | European Clean Transport Facility |
| ECTI | European Conference on Trapped Ions |
| ECTN | European Constructivist Training Network |
| ECTO | European Cooperative Trial in Operable |
| ECTR | European Center Tapedrive Repair |
| ECTR | European Clinical Trial Regulation |
| ECTR | European Council On Tolerance And Reconciliation |
| ECTS | European Calcified Tissue Society |
| ECTS | European Ceramic Technology Suppliers |
| ECTS | European College for Tourism Studies |
| ECTS | European Computer Trade Show |
| ECTS | European Credit Transfer Scheme |
| ECUC | European Cloud User Coalition |
| ECUI | European Committee of User Inspectorates |
| ECV | European Coalition for vision |
| ECV | European Congress of Virology |
| ECV | European Construction Ventures |
| ECVA | European College of Veterinary Anaesthesiologists |
| ECVD | European Congress on Veterinary Dentistry |