D
- (Province of Isabela) Dinaluddi
- (Province of Isabela) Dimacaual
- (Province of Isabela) Dimsay
- (Province of Isabela) Dinapiang
- (Province of Isabela) Digoyo Island
- (Province of Isabela) Dinipan
- (Province of Isabela) Dipangpang
- (Province of Isabela) Diagoman
- (Province of Isabela) Dirasao
- (Province of Isabela) Diarasac
- (Province of Cagayan) Dammang Sur
- (Province of Cagayan) Daan-lli
- (Province of Cagayan) Dagupan
- (Province of Cagayan) Dungolan
- (Province of Cagayan) Dungeg
- (Province of Isabela) Danipa
- (Province of Isabela) Dagupan
- (Province of Isabela) De Vera
- (Province of Isabela) Dipalucpuk
- (Province of Isabela) Dicamay Jones
- (Province of Isabela) Dimalama
- (Province of Isabela) Diparecao
- (Province of Cagayan) Dugayung
- (Province of Isabela) Dicamay I
- (Province of Isabela) Dicamay II
- (Province of Isabela) Dumawing
- (Province of Isabela) Dapiz
- (Province of Isabela) Dabubu Grande
- (Province of Quirino) Disimonpol
- (Province of Quirino) Dicoraban