ECC may be an abbreviation of:

Medicine

• Early childhood caries, a medical syndrome
• External Cardiac Compression, see Cardiopulmonary resuscitation
• Emergency Care Center, see Emergency room
• Excitation-contraction coupling

Surgery

• Extra Corporeal Circulation e.g.

During open-heart surgery the patients circulation is continued by a heart lung machine, i.e ECC.

Sport

• East Coast Conference, a current US NCAA Division II athletics conference
• East Coast Conference (Division I), a former US NCAA Division I athletics conference
• European Champions Cup, a football (soccer) competition
• IIHF European Champions Cup, an ice hockey competition
• European Challenge Cup, a rugby union competition
• European Cricket Council, an international body in cricket
• European Community Championship Antwerp, an indoor tennis tournament
• European Curling Championships, an annual European curling tournament

Music

• Eugene Concert Choir, a non-profit choral organization based in Eugene, Oregon, U.S.
• Evolution Control Committee, a US experimental music band

Science & engineering

• Electronic climate control, an electrical subsystem in a vehicle.
• Elliptic curve cryptography, an approach to public-key cryptography
• Engineered cementitious composite, a type of mortar
• Error-correcting code, a type of code
• Error Control Coding
• Error Correcting Code, also known as ECC memory
• Erasure correcting code, a type of code

Companies

• English China Clays plc, an English company
• Education through Communication for the Community, a Japanese company
• Electronic Chart Centre AS, Part of the RENC governmental services working with electronic navigational charts

Organizations

• Ecumenical Christian Centre, Bengaluru, India
• Elderly Care Center, see Nursing home
• Emergency Communications Center, a part of the emergency service
• Electronic Check Council, a finance related organization
• End Conscription Campaign, a defunct South African anti-Apartheid organization
• Ethnic Communities' Council of New South Wales, an Australian organization
• European Economic Community
• Evangelical Covenant Church, a North American church
• Emerald City Chronicles, a live-action role-playing troupe

Education

• Erie Community College, a US college
• Elgin Community College, a US college
• El Centro Community College, a US college
• Exmouth Community College, an English Secondary school

Miscellenea

• Egmont Comic Creation, a part of the Egmont media group
• European civil code

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