S
- (Province of Sultan Kudarat) Sewod
- (Province of Sultan Kudarat) Susod
- (Province of South Cotabato) Supu
- (Province of South Cotabato) Supu
- (Province of South Cotabato) Supo
- (Province of Sarangani) Supo
- (Province of Sarangani) Sumbang
- (Province of Sarangani) Suli
- (Province of Sultan Kudarat) Sugco
- (Cotabato) Subpañgan
- (Province of Sultan Kudarat) Suben
- (Cotabato) Suaguen
- (Province of Sarangani) Suagon
- (Province of Sarangani) Salome
- (Province of Sultan Kudarat) Sudoy
- (Cotabato) Saal
- (Province of Sarangani) Sipilin
- (Cotabato) Singao
- (Province of Sultan Kudarat) Sindiola
- (Cotabato) Sinawingan
- (Cotabato) Sinawiñgan
- (Province of Sultan Kudarat) Sinangcangan
- (Province of Sarangani) Sinabulad
- (Cotabato) Simpetan
- (Cotabato) Simoney
- (Cotabato) Simone
- (Province of South Cotabato) Siway Ocho
- (Province of South Cotabato) Siluton
- (Cotabato) Silik
- (Province of South Cotabato) Siguil