- Chickasha, Oklahoma
- Chico, California
- Chiefland, Florida
- Chilmark, Massachusetts
- China Spring, Texas
- China, Maine
- Choctaw, Oklahoma
- Christiansburg, Virginia
- Chula Vista, California
- Cincinnati, Ohio
- Claremont, California
- Clarendon Hills, Illinois
- Clarksville, Tennessee
- Claymont, Delaware
- Clayton, New Jersey
- Clearwater Beach, Florida
- Cleburne, Texas
- Clemmons, North Carolina
- Clemson, South Carolina
- Cleveland, Georgia
- Cleveland, Mississippi
- Cleveland, Ohio
- Cleveland, Tennessee
- Cleves, Ohio
- Clifton, Virginia
- Clovin, New Mexico
- Cochran, Georgia
- Cody, Wyoming
- Coeur d'Alene, Idaho
- Colchester, Vermont
- Colcord, Oklahoma
- College Grove, Tennessee
- College Park, Georgia
- College Park, Maryland
- College Park, Pennsylvania
- College Station, Texas
- Colleyville, Texas
- Collierville, Tennessee
- Colorado City, Texas
- Columbia, Maryland
