ECC is an abbreviation of:
In medicine:
- Early childhood caries
- External Cardiac Compression, see Cardiopulmonary resuscitation
- Emergency Care Center
In sport:
- European Champians Cup:
- European Champions Cup (football)
- IIHF European Champions Cup (ice hockey)
- European Cricket Council
In music:
In science & engineering:
In companies:
In organizations:
- Elderly Care Center
- Emergency Communications Center
- Electronic Check Council
- Electronic Communications Committee
- End Conscription Campaign a defunct South African anti-Apartheid organisation
- European Chapters Coordinating
- Ethnic Communities Council of NSW
- Evangelical Covenant Church
In education: