C
- (Province of Ilocos Norte) Caraoca
- (Province of Pangasinan) Caranglangan
- (Province of Pangasinan) Caranlaan
- (Province of Pangasinan) Caranglaan
- (Province of Pangasinan) Caranglaan
- (Province of Ilocos Norte) Caramuangen
- (Province of Ilocos Sur) Caraisan
- (Province of Pangasinan) Carael
- (Province of Pangasinan) Carael
- (Province of Ilocos Norte) Capurictan
- (Province of Pangasinan) Capulasan
- (Province of La Union) Capran
- (Province of Ilocos Sur) Cappacappa
- (Province of Pangasinan) Capitan Tomas
- (Province of Ilocos Sur) Capinitan
- (Province of Pangasinan) Capataan
- (Province of Pangasinan) Capasial
- (Province of Ilocos Norte) Capason
- (Province of Ilocos Norte) Caparispisan
- (Province of Ilocos Norte) Capariaan
- (Province of Ilocos Sur) Capariaan
- (Province of Ilocos Sur) Capariaan
- (Province of Pangasinan) Capariaan
- (Province of Pangasinan) Capaoan
- (Province of Pangasinan) Capantolan
- (Province of Pangasinan) Capangpañyan
- (Province of Ilocos Sur) Capangpangan
- (Province of Ilocos Norte) Copongdanan
- (Province of Ilocos Sur) Capangdanan
- (Province of Pangasinan) Capalpaliaan