C
- (Province of Nueva Ecija) Caalibangbangan
- (Province of Pampanga) Camachiles
- (Province of Pampanga) Couayan
- (Province of Nueva Ecija) Cabaruan
- (Province of Zambales) Cadmang
- (Province of Nueva Ecija) Concepcion
- (Province of Nueva Ecija) Cabalugaan
- (Province of Nueva Ecija) Caridad Sur
- (Province of Aurora) Calabgan Island
- (Province of Aurora) Cabituculan
- (Province of Bulacan) Casalat
- (Province of Bulacan) Camachile
- (Province of Bulacan) Coral
- (Province of Nueva Ecija) Cambitala
- (Province of Nueva Ecija) Calaocan District
- (Province of Nueva Ecija) Curva
- (Province of Nueva Ecija) Cruz
- (Province of Nueva Ecija) Carimay
- (Province of Pampanga) Colgante
- (Province of Pampanga) Caduang Tete
- (Province of Pampanga) Calubcup
- (Province of Pampanga) Cotod
- (Province of Pampanga) Concepcion
- (Province of Pampanga) Cacutud
- (Province of Zambales) Calawag
- (Province of Zambales) Cabatuan
- (Province of Zambales) Camates
- (Province of Zambales) Calibongan
- (Province of Zambales) Cawayan
- (Province of Zambales) Cakalanan