- Condon, Montana
- Conner, Montana
- Conroe, Texas
- Converse, Indiana
- Conway, Arkansas
- Conway, South Carolina
- Conyers, Georgia
- Cookeville, Tennessee
- Coon Rapids, Minnesota
- Cooper City, Florida
- Coppell, Texas
- Copperhill, Tennessee
- Coral Gables, Florida
- Coral Springs, Florida
- Cordova, Tennessee
- Cornwall, Vermont
- Corona, California
- Corpus Christi, Texas
- Costa Mesa, California
- Cottontown, Tennessee
- Council Bluffs, Iowa
- Country Club Hills, Illinois
- Covington, Georgia
- Covington, Kentucky
- Covington, Louisiana
- Covington, Tennessee
- Covington, Virginia
- Coweta, Oklahoma
- Cranberry Township, Pennsylvania
- Crawfordsville, Arkansas
- Crawfordsville, Indiana
- Crest Hill, Illinois
- Crested Butte, Colorado
- Crestview Hills, Kentucky
- Crosby, Texas
- Cross, South Carolina
- Crossplains, Tennessee
- Cuba, New Mexico
- Culver City, California
- Cumberland, Maine
