S
- (Province of Tarlac) San Jacinto
- (Province of Pampanga) San Rafael
- (Province of Nueva Ecija) San Casimiro
- (Province of Bulacan) Sapol
- (Province of Zambales) San Nicolas
- (Province of Pampanga) Santo Domingo
- (Province of Tarlac) Santa Juliana
- (Province of Tarlac) Santo Niño
- (Province of Nueva Ecija) San Alejandro
- (Province of Tarlac) San Juan de Mata
- (Province of Nueva Ecija) San Cristobal
- (Province of Nueva Ecija) Santa Rita
- (Province of Pampanga) San Agustin
- (Province of Nueva Ecija) San Andres
- (Province of Nueva Ecija) Sapang Buho
- (Province of Nueva Ecija) Santa Cruz
- (Province of Tarlac) Sula
- (Province of Pampanga) San Juan
- (Province of Pampanga) San Patricio
- (Province of Nueva Ecija) San Felipe Old
- (Province of Nueva Ecija) Salvacion I
- (Province of Nueva Ecija) Santa Maria
- (Province of Tarlac) Santa Rosa
- (Province of Zambales) San Agustin
- (Province of Pampanga) San Francisco
- (Province of Pampanga) San Isidro
- (Province of Nueva Ecija) Santa Lucia
- (Province of Tarlac) San Isidro
- (Province of Tarlac) Santo Cristo
- (Province of Zambales) Salaza