S
- (Province of Sarangani) Sigil
- (Cotabato) Sibpitan
- (Province of Sultan Kudarat) Sibayor
- (Cotabato) Sibawan
- (Cotabato) Siabon
- (Province of South Cotabato) Seroken
- (Province of Sultan Kudarat) Seneben
- (Province of South Cotabato) Selten
- (Province of South Cotabato) Selken
- (Cotabato) Sikitan
- (Cotabato) Sebangan
- (Cotabato) Sayugan
- (Province of Sultan Kudarat) Sayugan
- (Cotabato) Sampen
- (Province of Sarangani) Saub
- (Province of Sultan Kudarat) Sarmiento Camo
- (Province of South Cotabato) Saravia
- (Province of Sarangani) Sapu Grande
- (Cotabato) Sapiayan
- (Province of South Cotabato) Sapali
- (Province of South Cotabato) Sapaka
- (Province of South Cotabato) Sao
- (Cotabato) San Vincente
- (Province of South Cotabato) San Vicenta
- (Province of South Cotabato) Santo Niño
- (Cotabato) San Miguel
- (Cotabato) San Mateo
- (Cotabato) San Mateo
- (Province of Sultan Kudarat) San Emmanuel
- (Province of South Cotabato) San Jose