| Commonwealth Bank of Australia | commbank.com.au | 12 |
| Commonwealth Bank of Australia Newsroom | www.commbank.com.au | 1 |
| CompuServe.com | compuserve.com.au | 0 |
| Compuserve | compuserve.com | 1 |
| CoreLogic Australia | corelogic.com.au | 1 |
| Council of Europe | coe.int | 1 |
| CounterPunch.org | counterpunch.org | 1 |
| Countryman | countryman.com.au | 1 |
| Courier-Post | courierpostonline.com | 1 |
| Courts Administration Authority | courts.sa.gov.au | 1 |
| Crikey | www.crikey.com.au | 2 |
| Crikey | crikey.com.au | 78 |
| Curtin University | curtin.edu.au | 1 |
| Cyber Daily | cyberdaily.au | 2 |
| Cyber.gov.au | cyber.gov.au | 2 |
| Daily Cargo News | thedcn.com.au | 1 |
| Dataiku | dataiku.com | 1 |
| Deca | deca.org.au | 1 |
| Deloitte | deloitte.com | 1 |
| Deloitte | deloitte.com.au | 0 |