S
- (Province of Ilocos Norte) San Mateo
- (Province of Pangasinan) San Mateo
- (Province of La Union) San Martin
- (Province of Pangasinan) San Mariano
- (Province of Ilocos Norte) San Marcos
- (Province of Pangasinan) San Marcos
- (Province of Pangasinan) San Marcelino
- (Province of Ilocos Norte) San Manuel
- (Province of Ilocos Norte) San Manuel
- (Province of Pangasinan) San Macario Sur
- (Province of La Union) San Luis Norte
- (Province of Pangasinan) San Luis
- (Province of Pangasinan) San Leon
- (Province of Pangasinan) San Leon
- (Province of La Union) San Julian
- (Province of Ilocos Sur) San Julian Sur
- (Province of Ilocos Sur) San Julian North
- (Province of Ilocos Norte) San Julian
- (Province of Ilocos Sur) San Julian
- (Province of Pangasinan) San Julian
- (Province of Pangasinan) San Julian
- (Province of Ilocos Norte) San Juan
- (Province of Ilocos Norte) San Juan
- (Province of Ilocos Norte) San Juan
- (Province of Ilocos Sur) San Juan
- (Province of La Union) San Juan
- (Province of Pangasinan) San Juan
- (Province of Pangasinan) San Juan
- (Province of Pangasinan) San Juan
- (Province of Pangasinan) San Juan