ECCC
ECCC is an abbreviation for:
- Eastern Collegiate Cycling Conference, an American Cycling Federation
- Electronic Colloquium on Computational Complexity, a journal of theoretical computer science
- Essex County Cricket Club, a cricket club from Essex
- Euro Hockey Club Champions Cup, various hockey competitions
- European Club Crew Championships, a dragon boat competition
- European Club Cup of Champions, a former table tennis competition, see European Cup (table tennis)
- European Continuous Casting Conference, a scientific conference on topics of metallurgy
- European Creep Collaborative Committee, a body promoting materials science
- Extraordinary Chambers in the Courts of Cambodia, see Khmer Rouge Tribunal
- Disambiguation
- Abbreviation