S
- (Province of Ilocos Norte) San Gregorio
- (Province of La Union) San Gregorio
- (Province of Pangasinan) San Gonzalo
- (Province of Ilocos Norte) Sangil
- (Province of Pangasinan) Sangbay
- (Province of Ilocos Sur) San Gaspar
- (Province of Ilocos Sur) Sangan
- (Province of Ilocos Norte) San Francisco
- (Province of Ilocos Norte) San Francisco
- (Province of La Union) San Francisco
- (Province of La Union) San Francisco
- (Province of Pangasinan) San Francisco
- (Province of Pangasinan) San Francisco
- (Province of Pangasinan) San Flaviano
- (Province of La Union) San Fermin
- (Province of Ilocos Norte) San Felipe
- (Province of La Union) San Felipe
- (Province of Pangasinan) San Felipe
- (Province of Pangasinan) San Felipe Central
- (Province of Pangasinan) San Eugeñio
- (Province of Ilocos Norte) San Esteban
- (Province of Ilocos Sur) San Elias
- (Province of Ilocos Norte) San Cristobal
- (Province of La Union) San Cristobal
- (Province of La Union) San Cornelio
- (Province of Ilocos Norte) San Ciriaco
- (Province of Pangasinan) Sanchez
- (Province of Pangasinan) San Cenon
- (Province of Ilocos Sur) San Carlos
- (Province of La Union) San Carlos