- Callington
- Cambrai
- Camden Park
- Campbelltown
- Cape Jaffa
- Carrieton
- Cavan
- Ceduna
- Charleston
- Cheltenham
- Cherry Gardens
- Christies Beach
- Christie Downs
- Clapham
- Clare
- Clarence Gardens
- Clarence Park
- Clarendon
- Clayton
- Clearview
- Cleve
- Clovelly Park
- Cobdogla
- Coffin Bay
- College Park
- Collinswood
- Colonel Light Gardens
- Coober Pedy
- Coobowie
- Coomandook
- Coonalpyn
- Coonawarra
- Copley
- Coromandel Valley
- Cowandilla
- Cowell
- Crafers
- Crafers West
- Craigmore
- Croydon
- Croydon Park
- Crystal Brook
- Cumberland Park
- Cummins