| Abbreviation | Definition |
|---|---|
| CLTASA | Chinese Language Teachers Association of South Australia |
| CMAA | Club Managers' Association Australia |
| CMAA | Country Music Awards of Australia |
| CMC | Crime and Misconduct Commission |
| CMCA | Campervan and Motorhome Club of Australia |
| CNSA | Cancer Nurses Society of Australia |
| COAG | Council Of Australian Governments |
| COPP | City Of Port Phillip, Australia |
| COSIMA | Consortium of Ocean Sea Ice Modelling in Australia |
| CPCA | Children's Performing Company of Australia |
| CPCA | Chinese Professional Club Australia |
| CPCA | Chinese Professionals Club of Australia |
| CPI | Consumer Price Index |
| CPOG | Country Planning Officers Group |
| CPSA | Contract Pharmaceutical Services of Australia |
| CPSU | Commonwealth Public Sector Union |
| CRAA | Credit Reference Association of Australia |
| CRC | Co-operative Research Centre |
| CRCA | Christian Reformed Churches of Australia |
| CREDIT | Court Referral For Evaluation And Drug Intervention Treatment |