F
- (Province of Pangasinan) Fulgosino
- (Province of La Union) Francia West
- (Province of Pangasinan) Fortuna
- (Province of Pangasinan) Flores
- (Province of Pangasinan) Flores
- (Province of Ilocos Sur) Flora
- (Province of Pangasinan) Fricos
- (Province of Ilocos Norte) Foz
- (Province of Ilocos Sur) Farola
- (Province of La Union) Francia Sur
- (Province of Pangasinan) Fortic
- (Province of Ilocos Sur) Fuerte