- Clint
- Clotho
- Cobbs Island
- Crabtree
- Cromir
- Cherry Valley
- Cherryland
- Chico
- Capay
- Chrome
- Codora
- Copper City
- Cory
- China Lake Acres
- Chinese Camp
- Chino Hills
- Cain Rock
- Camal Rock
- Camel Rock
- Cannibal Island
- Cap Rock
- Christmas Rock
- Cock Robin Island
- Cone Rock
- Conical Rock
- Cooks Valley
- Chowchilla
- Chualar
- Chula Vista
- Citrus