| Abbreviation | Definition |
|---|---|
| ECCM | European Conference on Composite Materials |
| ECCR | Essex Conference Center and Retreat |
| ECCV | European Conference on Computer Vision |
| ECDA | European Conference on Data Analysis |
| ECDE | European conference of defence and the environment |
| ECDL | European Conference on Digital Libraries |
| ECER | European Conference on Educational Research |
| ECER | European Conference on Educational Robotics |
| ECES | Emergency Communications Educational Summit |
| ECFC | Eastern Collegiate Football Conference |
| ECFI | European Conference on the Future Internet |
| ECGC | East Coast Game Conference |
| ECH | Esbjerg Conference Hotel |
| ECHT | European Conference on Hypermedia Technology |
| ECI | Engineering Conferences International |
| ECIC | East Central Illinois Conference |
| ECIC | Erie County Interscholastic Conference |
| ECIC | European Christian Internet Conference |
| ECIC | European Conference on Intellectual Capital |
| ECIE | European Conference on Innovation and Entrepreneurship |