S
- (Province of Catanduanes) Simamla
- (Province of Camarines Sur) Silmod
- (Province of Camarines Sur) Sili
- (Province of Masbate) Siguinon
- (Province of Camarines Sur) Sigamut
- (Province of Camarines Norte) Sico
- (Province of Catanduanes) Sicmil
- (Province of Camarines Sur) Sibobo
- (Province of Camarines Sur) Sibauan Island
- (Province of Camarines Sur) Sibaguan
- (Province of Sorsogon) Sibago
- (Province of Catanduanes) Sibakungan
- (Province of Catanduanes) Siai
- (Province of Camarines Norte) Siapa Island
- (Province of Catanduanes) Sialat
- (Province of Sorsogon) Servilla
- (Province of Camarines Sur) Serranzana
- (Province of Sorsogon) Seniepan
- (Province of Sorsogon) Sawanga
- (Province of Masbate) Sawang
- (Province of Masbate) Sawang
- (Province of Masbate) Sauang
- (Province of Albay) Saromay
- (Province of Sorsogon) Sapgnan
- (Province of Camarines Sur) San Vicente
- (Province of Catanduanes) San Vicente
- (Province of Camarines Sur) San Vicente
- (Province of Catanduanes) San Vicente
- (Province of Catanduanes) San Vicente
- (Province of Camarines Sur) San Vicente