ICCC is a four-character abbreviation with multiple meanings: Imperial College Canoe Club is a society of Imperial College Union. Imperial College Caving Club is a society of Imperial College Union. Imperial College Chamber Choir is a society of Imperial College Union. International C-Class Catamaran Championship, a match racing series for C-Class catamarans (under sail), held annually International Classification of Childhood Cancer, a standardized system for categorizing childhood malignancies International Conference on Climate Change, an annual conference of global warming deniers International Conference on Computational Creativity International Council of Christian Churches International Council of Community Churches International Conference on Coordination Chemistry International Christian Chamber of Commerce Iowa Central Community College International Conference on Computer Communications Italian Cultural and Community Center at the Logue House in Houston, Texas PKP Intercity