D
- (Province of Ilocos Sur) Duyay-yat
- (Province of Ilocos Norte) Duripis
- (Province of Ilocos Sur) Duquis
- (Province of La Union) Duplas
- (Province of La Union) Duplas
- (Province of Pangasinan) Duplac
- (Province of Ilocos Sur) Dupey
- (Province of Pangasinan) Dupac
- (Province of Ilocos Norte) Dangondunaor
- (Province of Pangasinan) Dumpay
- (Province of Pangasinan) Dumayat
- (Province of La Union) Dumarang
- (Province of La Union) Dulolog
- (Province of La Union) Dulao
- (Province of Pangasinan) Dulag
- (Province of Pangasinan) Dulag
- (Province of Pangasinan) Dulacac
- (Province of La Union) Dugadog
- (Province of La Union) Dugadog
- (Province of Pangasinan) Ducoy
- (Province of La Union) Drissoor
- (Province of Ilocos Norte) Dos Hermanos Islands
- (Province of Pangasinan) Dos Hermanas Islands
- (Province of Pangasinan) Dorongan Sawat
- (Province of Ilocos Norte) Doro
- (Province of Ilocos Norte) Dolores
- (Province of Pangasinan) Dolit
- (Province of Pangasinan) Doliman
- (Province of Pangasinan) Dolaoan
- (Province of Pangasinan) Dolacac a Baleg