S
- (Province of Ilocos Norte) Santo Domingo
- (Province of Ilocos Norte) Santo Domingo
- (Province of Pangasinan) Santo Domingo
- (Province of Pangasinan) Santo Domingo
- (Province of Pangasinan) Santo Domingo
- (Province of La Union) Santo Cristo
- (Province of La Union) Santiago Sur
- (Province of La Union) Santiago Norte
- (Province of Pangasinan) Santiago Island
- (Province of Ilocos Norte) Santiago
- (Province of La Union) Santiago
- (Province of La Union) Santiago Norte
- (Province of Pangasinan) Santiago
- (Province of Pangasinan) Santiago
- (Province of Ilocos Norte) Santa Veronica
- (Province of La Union) Santa Tereza
- (Province of Ilocos Norte) Santa Rosa
- (Province of Ilocos Norte) Santa Rosa
- (Province of Ilocos Norte) Santa Rosa
- (Province of La Union) Santa Rosa
- (Province of Ilocos Norte) Santa Rita
- (Province of La Union) Santa Rita
- (Province of La Union) Santa Rita West
- (Province of La Union) San Rita West
- (Province of Pangasinan) Santa Rita
- (Province of Pangasinan) Santa Rita
- (Province of Ilocos Sur) Santa Monica
- (Province of La Union) Santa Monica
- (Province of Pangasinan) Santa Maria Sur
- (Province of Pangasinan) Santa Maria Norte