D
- (Province of Nueva Vizcaya) Daruba
- (Province of Nueva Vizcaya) Daruba
- (Province of Nueva Vizcaya) Dine
- (Province of Quirino) Dinait
- (Province of Quirino) Debibi
- (Province of Quirino) Dingasan
- (Province of Nueva Vizcaya) Dullao
- (Province of Nueva Vizcaya) Darapidap
- (Province of Nueva Vizcaya) Dubaj
- (Province of Nueva Vizcaya) Domang
- (Province of Isabela) Dicawal
- (Province of Nueva Vizcaya) Daldalayap
- (Province of Nueva Vizcaya) Duruarog
- (Province of Quirino) Don Faustino Pagaduan
- (Province of Quirino) Don Inocencio Ramos
- (Province of Quirino) Doña Dory Dandan
- (Province of Quirino) Doña Imelda
- (Province of Quirino) Don Mariano Perez
- (Province of Nueva Vizcaya) Dadap
- (Province of Cagayan) Dilig
- (Province of Cagayan) Dagueray
- (Province of Cagayan) Dibnong
- (Province of Isabela) Dunmon
- (Province of Isabela) Dianao
- (Province of Cagayan) Dadda
- (Province of Cagayan) Dammang
- (Province of Isabela) Disimuray
- (Province of Isabela) Dangan
- (Province of Isabela) District Primero
- (Province of Isabela) District Segundo