- Crestfield
- Crouse Mobile Home Park
- Chardon
- Chatfield
- Chauncey
- Cove Cottage Area
- Cherry Fork
- Chesterhill
- Chesterland
- Cheviot
- Chickasaw
- Chillicothe
- Chilo
- Carysville
- Catawba Station
- Crayon
- Chippewa Lake
- Chippewa-on-the-Lake (historical)
- Chateau Estates Mobile Home Park
- Cherry Point Mobile Home Park
- Clearview Mobile Home Park
- Cortsville
- Country Haven Mobile Home Park
- Crawford Mobile Home Park
- Crystal Lakes Mobile Home Park
- Choctaw Lake
- Cincinnati
- Circleville
- Clarington
- Cedron