C
- Cabazon
- Calabasas
- Calexico
- Caliente
- California City
- California Valley
- Calimesa
- Calipatria
- Calistoga
- Calpine
- Camarillo
- Cambria
- Cambrian Park
- Camino
- Campbell
- Campo
- Canby
- Canoga Park
- Canyon Country
- Canyon Lake
- Canyondam
- Capistrano Beach
- Capitola
- Cardiff-by-the-Sea
- Carlsbad
- Carmel Valley Village
- Carmel-by-the-Sea
- Carmichael
- Carnelian Bay
- Carpinteria
- Carson
- Casmalia
- Cassel
- Castaic
- Castro Valley
- Castroville
- Cathedral City
- Catheys Valley
- Cayucos
- Cazadero
- Cedarville
- Central Valley
- Ceres
- Cerritos
- Chatsworth
- Chester
- Chicago Park
- Chico
- Chinese Camp
- Chino
- Chino Hills
- Chowchilla
- Chula Vista
- Citrus Heights
- Claremont
- Clayton
- Clearlake
- Clearlake Oaks
- Clio
- Cloverdale
- Clovis
- Coachella
- Coalinga
- Coarsegold
- Cobb
- Coleville
- Colfax
- Colma
- Coloma
- Colton
- Columbia
- Colusa
- Commerce
- Compton
- Concord
- Cool
- Corcoran
- Corning
- Corona
- Corona del Mar
- Coronado
- Corte Madera
- Costa Mesa
- Cotati
- Coto de Caza
- Cottonwood
- Coulterville
- Covelo
- Covina
- Crescent City
- Crescent Mills
- Crestline
- Cromberg
- Crowley Lake
- Cudahy
- Culver City
- Cupertino
- Cuyama
- Cypress
Read more about this topic: List Of Communities In California