| CCAs | Caisse de Coordination aux Assurances 
| Others |
| CCAS | Cape Canaveral Air Station
| Others |
| CCAS | Cape Cod Air Station
| Others |
| CCAS | Cape Cod Astronomical Society
| Others |
| CCAS | Catholic Community At Stanford
| Others |
| CCAS | Center for College Access and Success
| Others |
| CCAS | Center for Contemporary Arab Studies
| Others |
| CCAS | Center for Coordinated Assistance to States
| Others |
| CCAS | Center for Counseling and Academic Support
| Others |
| CCAS | Center for Cyber Archaeology and Sustainability
| Others |
| CCAS | Central California Auto Show
| Others |
| CCAS | Central Coast Astronomical Society
| Others |
| CCAS | Centralized Contracting Acquisition System
| Others |
| CCAS | Centralized Crew Alerting System
| Others |
| CCAS | Cerebellar Cognitive Affective Syndrome
| Others |
| CCAS | Champ Car Atlantic Series
| Others |
| CCAS | Collaborative Center for Aerospace Sciences
| Others |
| CCAS | College Center for Academic Support
| Others |
| CCAS | College Center for Advising Services
| Others |
| CCAS | Collier County Audubon Society
| Others |
| CCAS | Columbian College of Arts and Sciences
| Others |
| CCAS | Committee of Concerned Asian Scholars
| Others |
| CCAS | Community Counseling and Assessment Services
| Others |
| CCAS | Congenital Cardiac Anesthesia Society
| Others |
| CCAS | Consejo Coordinador Argentino Sindical
| Others |
| CCAS | Construction Contractor Appraisal Support
| Others |
| CCAS | Contingency Contract Administration Services
| Others |
| CCAS | Cooperative Collision Avoidance System
| Others |
| CCAS | Corrosion Control Application Specialist
| Others |
| CCAS | Cough Cold Allergy Sinus
| Others |
| CCAS | Council of Colleges of Arts and Sciences
| Others |
| CCAS | Creative Commons Attribution Share-Alike
| Others |
| CCAS | Cross College Advising Service
| Others |
| CCAS | Cross Country Automotive Services
| Others |
| CCAS | Culver City Adult School
| Others |