CCD
- .ccd
- Café Coffee Day
- Canadian Coalition for Democracies
- Canine compulsive disorder
- Caput-collum-diaphyseal angle
- Carbonate compensation depth
- Census county division
- Center City, Philadelphia
- Central composite design
- Central core disease
- Centro Cristiano Democratico
- Charge-coupled device
- Christian Care Foundation for Children with Disabilities
- Cincinnati Country Day School
- Clandestine detention center (Argentina)
- Cleidocranial dysostosis
- Colony collapse disorder
- Community College of Denver
- Complementary cumulative distribution function
- Confraternity of Christian Doctrine
- Congenital chloride diarrhea
- Consular Consolidated Database
- Continuity of Care Document
- Continuous collision detection
- Convention Centre Dublin
- Cortical collecting duct
- Council for a Community of Democracies
- Countercurrent distribution
- Country Club of Detroit
- Cross-reactive carbohydrate determinants
- Gopal Bose
- Namibia Cricket Board
- Zen 2