S
- (Province of Bulacan) San Francisco
- (Province of Bulacan) Sumapang Matanda
- (Province of Bulacan) Saog
- (Province of Bulacan) Silangan
- (Province of Bulacan) Subic
- (Province of Pampanga) Santa Peregrina
- (Province of Bulacan) Sergio Bayan
- (Province of Bulacan) Santo Niño Segundo
- (Province of Bulacan) San Pedro
- (Province of Nueva Ecija) San Nicolas
- (Province of Bataan) Sapa
- (Province of Tarlac) San Juan
- (Province of Tarlac) Solar de Central
- (Province of Nueva Ecija) Santo Niño Tersero
- (Province of Bulacan) Santa Rosa Segunda
- (Province of Bulacan) Santo Niño
- (Province of Tarlac) Sinense
- (Province of Nueva Ecija) Simimbaan
- (Province of Pampanga) Santo Niño
- (Province of Pampanga) Sampaloc
- (Province of Pampanga) Sua
- (Province of Nueva Ecija) San Josef Norte
- (Province of Nueva Ecija) Senior Hermogenes C. Concepcion
- (Province of Nueva Ecija) Santa Teresita
- (Province of Nueva Ecija) San Bartolome
- (Province of Nueva Ecija) San Juan South
- (Province of Nueva Ecija) San Juan North
- (Province of Nueva Ecija) Sapsap
- (Province of Nueva Ecija) Santo Niño
- (Province of Zambales) San Isidro