| Abbreviation | Definition |
|---|---|
| ECAC | Early Childhood Adivisory Council |
| ECAC | Early Childhood Advisory Council |
| ECBC | European Covered Bond Council |
| ECBE | European Council for Business Education |
| ECBM | Export Council Building Materials |
| ECCC | European Communities Chemistry Council |
| ECCR | Ecumenical Council for Corporate Responsibility |
| ECDC | Ethiopian Community Development Council |
| ECFA | Evangelical Council for Financial Accountability |
| ECFC | Employers Council on Flexible Compensation |
| ECFR | European Council for Fatwa and Research |
| ECFR | European Council on Foreign Relations |
| ECHA | European Council for High Ability |
| ECIC | Executive Council Investment Committee |
| ECIE | Executive Council on Integrity and Efficiency |
| ECIS | European Council of International Schools |
| ECLC | Ethics Center Leadership Council |
| ECNC | European Council of Nuclear Cardiology |
| ECNEC | Executive Committee of National Economic Council |
| ECNS | Executive Council of Nova Scotia |