- Carpenter Addition
- Carpenters Island (historical)
- Carr Branch
- Carriage Hill
- Carriage Hills
- Carroll
- Carson Springs
- Carter
- Carter
- Carter Crossing
- Carter Crossroads
- Carters Chapel
- Carters Creek
- Carters Island
- Cartersville
- Chartersville
- Cartertown
- Carthage
- Carthage Junction
- Cartwright
- Cartwright
- Caryville
- Cash Point
- Cassville
- Castalian Springs
- Castaway Cove
- Castell Springs
- Castle Heights
- Caswell
- Cat Corner