U
- (Province of Quezon) Usllya
- (Province of Cavite) Ulingot
- (Province of Rizal) Ulong Tubig
- (Province of Laguna) Udia
- (Province of Laguna) Uwisan
- (Province of Laguna) Uno
- (Province of Rizal) Upper Bosoboso
- (Province of Laguna) Ugong
- (Province of Quezon) Uala Islands
- (Province of Batangas) Uauang Baliti
- (Province of Cavite) Upli
- (Province of Rizal) Ugong Norte
- (Province of Batangas) Ulango
- (Province of Cavite) Ulat
- (Province of Cavite) Ulat Segundo
- (Province of Cavite) Uldugan
- (Province of Quezon) Umbago
- (Province of Batangas) Upa
- (Province of Cavite) Urdaneta
- (Province of Batangas) Utod
- (Province of Quezon) Unisan