- C H Taylor's Sanwaldrun Estates
- Cable
- Cache
- Cache Lake
- Cadiz
- Cadwell
- Cairo Junction
- Caldwell
- Calico Island
- Calumet
- Calumet City
- Calvin
- Cambon
- Cambridge Place
- Camden
- Cameron
- Camp Algonquin
- Camp Ground
- Camp Grove
- Camp Logan
- Camp Travis
- Campbell
- Campbell
- Campbell
- Campbells Island
- Campbells Island
- Campton
- Campton Pines
- Candlewick Lake
- Canton Crossing