| CCNS | California Citrus Nursery Society 
| Others |
| CCNS | Canadian Congress of Neurological Sciences
| Others |
| CCNS | Canonsburg Cecil And North Strabane
| Others |
| CCNS | Cape Cod National Seashore
| Others |
| CCNS | Carlisle Community Nursery School
| Others |
| CCNS | Cell Cycle Non Specific
| Others |
| CCNS | Centre for Cognitive and Neural Systems
| Others |
| CCNS | Certification for Clinical Nurse Specialist
| Others |
| CCNS | Certified Clinical Nurse Specialist
| Others |
| CCNS | Charles Coaching and Nutrition Services
| Others |
| CCNS | Chessmen Club of the North Shore, Evanston, Illinois
| Others |
| CCNS | Chester County Night School
| Others |
| CCNS | Christ Church Nursery School
| Others |
| CCNS | Citizens Commission on National Security
| Others |
| CCNS | Cleveland Clinic News Service
| Others |
| CCNS | Closed Cell Neoprene Sponge
| Others |
| CCNS | College Council of Nursing Students
| Others |
| CCNS | Common Course Numbering System
| Others |
| CCNS | Community Cooperative Nursery School
| Others |
| CCNS | Computer Controlled Navigation System
| Others |
| CCNS | Concerned Citizens For Nuclear Safety
| Others |
| CCNS | Corvette Club of Nova Scotia
| Others |
| CCNS | Counseling Center of the North Shore
| Others |
| CCNS | Critical Care Nurse Specialist
| Others |
| CCNS | Crossing Cooperative Nursery School
| Others |