C
- Cape Town Basketball Association (CTBA)
- Cape Town Family History Society (CTFHS)
- Cape Town Fashion Council (CTFC)
- Cape Town Gem and Mineral Club (CTGMC)
- Cape Town Judo Association (CTJA)
- Cape Town Society for The Blind (CTSB)
- Cape Women’s Agricultural Association (VLV)
- Cape Wools South Africa (CWSA)
- CapeNature (CapeNature)
- Capital City Business Chamber (CCBC)
- Caravan Club of Southern Africa (CCSA)
- Cardiac Arrhythmia Society of Southern Africa (CASSA)
- Carletonville United Taxi Association (CUTA)
- Cat Association of Southern Africa (CASA)
- Cat Association of Southern Africa (CASA)
- CATA Employers’ Organisation (CEO)
- Catholic Health Care Association of Southern Africa (CATHCA)
- Catholic Institute of Education (CIE)
- Catholic Women’s League Adoption Society (CWL)
- CATRA (CATRA)
- Cave Research Organisation of South Africa (CROSA)
- Cement and Concrete South Africa (CCSA)
- Central Gauteng Aquatics (CGA)
- Central Gauteng Mental Health Society (CGMHS)
- Centre for Affordable Housing Finance in Africa (CAHF)
- Centre for AIDS Development, Research and Evaluation (CADRE)
- Centre for Competition, Regulation and Economic Development (CCRED)
- Centre for Development and Enterprise (CDE)
- Centre for Emerging Zoonotic and Parasitic Diseases (CEZPD)
- Centre for Enteric Diseases (CED)