- Columbia
- Crothersville
- Crown Point
- Crows Nest
- Cates
- Centennial
- Coal Creek
- Coney Island
- Coffee Island
- Crawleyville
- Cole
- Campbellsburg
- Cicero
- Clarks Hill
- Claypool
- Coatesville
- Collegeville
- Columbia City
- Corunna
- Crandall
- Cynthiana
- Cadiz
- Camden
- Carbon
- Carlisle
- Carthage
- Cayuga
- Cedar Grove
- Center Point
- Centerville