- Callahan
- Callaway
- Campbell
- Campbellton
- Canal Point
- Cantonment
- Cape Canaveral
- Cape Coral
- Captiva
- Carol City
- Carrabelle
- Carrollwood
- Carrollwood Village
- Carver Ranches
- Caryville
- Casselberry
- Cedar Grove
- Cedar Key
- Celebration
- Center Hill
- Century
- Century Village
- Charleston Park
- Charlotte Harbor
- Charlotte Park
- Chattahoochee
- Cheval
- Chiefland
- Chipley
- Chokoloskee
- Christmas
- Chuluota
- Chumuckla
- Cinco Bayou
- Citra
- Citrus Hills
- Citrus Park
- Citrus Ridge
- Citrus Springs
- Clarcona
- Clearwater
- Clermont
- Cleveland
- Clewiston
- Cloud Lake
- Cobbtown
- Cocoa
- Cocoa Beach
- Cocoa West
- Coconut Creek
- Coconut Grove
- Coleman
- Combee Settlement
- Connerton
- Conway
- Cooper City
- Coral Gables
- Coral Springs
- Coral Terrace
- Cortez
- Cottondale
- Country Club
- Country Walk
- Crawfordville
- Crescent Beach
- Crescent City
- Crestview
- Crooked Lake Park
- Cross City
- Crystal Lake
- Crystal River
- Crystal Springs
- Cudjoe Key
- Cutler
- Cutler Bay
- Cutler Ridge
- Cypress Gardens
- Cypress Lake
- Cypress Lakes
- Cypress Quarters
