C
- (Province of Ilocos Sur) Cabunugan
- (Province of Ilocos Sur) Cabuaan
- (Province of Ilocos Sur) Cabangaran
- (Province of Ilocos Sur) Cabaruyan
- (Province of Ilocos Sur) Caopat
- (Province of Pangasinan) Cadre Site
- (Province of Pangasinan) Centro
- (Province of Pangasinan) Calumboyan Norte
- (Province of Pangasinan) Canan Sur
- (Province of Pangasinan) Casubiduan
- (Province of Pangasinan) Camangaan
- (Province of Pangasinan) Calanution
- (Province of Pangasinan) Cathedral Island
- (Province of Pangasinan) Clave Island
- (Province of Pangasinan) Children Island
- (Province of Pangasinan) Cuenco Island
- (Province of Pangasinan) Camantiles Island
- (Province of Pangasinan) Caturay Norte
- (Province of Pangasinan) Cabulalaan
- (Province of Ilocos Norte) Callaguip
- (Province of Pangasinan) Catuday
- (Province of Pangasinan) Calsib
- (Province of Pangasinan) Cayanga
- (Province of Ilocos Sur) Caterman
- (Province of La Union) Corrooy
- (Province of Pangasinan) Cabalitian
- (Province of Pangasinan) Camaley
- (Province of Ilocos Sur) Cabittaogan
- (Province of Pangasinan) Capandanan
- (Province of Pangasinan) Caabiangan