Places beginning with CO in Wisconsin, United States
- Cobb
- Cobban
- Cobb Town
- Cobb, Village of
- Cochrane
- Cochrane, Village of
- Coddington
- Colburn
- Colburn, Town of
- Colburn, Town of
- Colby
- Colby, City of
- Colby, Town of
- Cold Spring
- Cold Springs
- Cold Spring, Town of
- Coleman
- Coleman, Village of
- Colfax
- Colfax, Town of
- Colfax, Village of
- Colgate
- College Hills (subdivision)
- Collins
- Coloma
- Coloma, Town of
- Coloma, Village of
- Columbia
- Columbia County
- Columbus
- Columbus, City of
- Columbus, Town of
- Combined Locks
- Combined Locks, Village of
- Comfort
- Commonwealth
- Commonwealth, Town of
- Como
- Comstock
- Concord
- Concord, Town of
- Connorsville
- Conover
- Conover, Town of
- Conrath
- Conrath, Village of
- Cooks Valley, Town of
- Cooksville
- Coolidge (historical)
- Coomer
- Coon Rock
- Coon, Town of
- Coon Valley
- Coon Valley, Village of
- Coopers Shores
- Cooperstown
- Cooperstown, Town of
- Coppens Corner
- Coral City
- Corinth
- Cormier
- Cornelia
- Cornell
- Cornell, City of
- Corning, Town of
- Cornucopia
- Cortland (historical)
- Corwin (historical)
- Cottage Grove
- Cottage Grove, Town of
- Cottage Grove, Village of
- Cottonville
- Couderay
- Couderay, Town of
- Couderay, Village of
- Council Bay
- County Line
- Courtland, Town of
- Cozy Corner