- Carroll Ann Mobile Home Park
- Carrollton
- Carson
- Carte Rouge
- Carterville
- Carthage Bluff Landing
- Cartwright
- Carville
- Casa Linda
- Cash Point
- Cason
- Caspiana
- Cassandra
- Casse-tete Island
- Castille
- Castille
- Castle Ridge Estates
- Castlewood
- Castor
- Castor Plunge
- Cat Island
- Cat Island
- Catahoula
- Catahoula Cove
- Catfish Landing
- Catherine
- Catherine
- Catherine
- Catuna
- Cavett