CCCC
- 400 (number)
- 4C (disambiguation)
- C (disambiguation)
- C.C.C.C. (band)
- C4 (disambiguation)
- CCCC Miami
- Cambridgeshire County Cricket Club
- Cape Cod Community College
- Caroline Chisholm Catholic College
- Center City Commuter Connection
- Central Carolina Community College
- Cheque and Credit Clearing Company
- Cheshire County Cricket Club
- China Communications Construction Company
- Christ Church Cathedral Choir
- Clark County Community College
- Cloud County Community College
- Coalition for Compassionate Care of California
- Collin College
- Community Catholic Church of Canada
- Compendium of the Catechism of the Catholic Church
- Conference on College Composition and Communication
- Conservative Congregational Christian Conference
- Contra Costa Community College District
- Cornwall County Cricket Club
- Corpus Christi Catholic Church, Wokingham
- Corpus Christi College, Cambridge
- Cumberland County Civic Center
- Cumbria County Cricket Club
- Only Unity Saves the Serbs
- Parker Library, Corpus Christi College
- Static program analysis