- Canonchet
- Carolina
- Carpenters Corner
- Castle Island
- Cedar Island
- Cedar Island
- Centerdale
- Centerville
- Centerville
- Central Falls
- Charlestown
- Charlestown Beach
- Chepachet
- Chepiwanoxet
- Cherry Valley
- Chopmist
- Christian Hill
- Clarks Village
- Clarkville
- Clayville
- Clyde
- Coasters Harbor Island
- Coggeshall
- Cold Spring Beach
- Coles
- Columbia Heights
- Colvintown
- Common Fence Point
- Comstock Gardens
- Conanicut Island