- Clark Island
- Cottonville
- Cat Island
- Cayuga
- Champaign Island
- Camelot Terrace
- Cat Island
- Champion
- Chapel Ridge
- Coppens Corner
- Cormier
- Charlesburg
- Crats Island
- Cream
- Czechville
- Cadott
- Camp Douglas
- Camp Lake
- Coomer
- Campbellsport
- Cashton
- Cedarburg
- Centuria
- Cobban
- Chaseburg
- Chenequa
- Clark
- Columbia
- Chetek
- Chief Lake