| Abbreviation | Definition |
|---|---|
| CFA | Country Fire Authority |
| CFCA | Child Family Community Australia |
| CFV | Crimes Family Violence |
| CFWA | Cystic Fibrosis Western Australia |
| CGBA | Custom Golf Bags Australia |
| CGC | Commonwealth Grants Commission |
| CGWF | Clements Gap Wind Farm |
| CHASA | Conservation and Hunting Alliance of South Australia |
| CHFA | Community Housing Federation of Australia |
| CICA | Crane Industry Council of Australia |
| CIIA | Construction Industry Institute Australia |
| CIO | Chief Information Officer |
| CIPSA | Chartered Institute of Purchasing and Supply Australia |
| CIPSA | Chartered Institute of Purchasing Supply Australia |
| CIRA | Council of Italian Restaurants in Australia |
| CISA | Council of International Students Australia |
| CJDP | Criminal Justice Diversion Program |
| CLCD | Centre for Learning, Change and Development (Murdoch University; Australia) |
| CLCV | Consumer Law Centre Victoria (Australia) |
| CLGA | Combined Lan Gamers Australia |