R
- (Province of Cagayan) Rock Island
- (Province of Quirino) Ramos
- (Province of Isabela) Rizal
- (Province of Isabela) Reserva
- (Province of Quirino) Rond Baquiran
- (Province of Isabela) Rizaluna
- (Province of Isabela) Ragan Almacen
- (Province of Isabela) Rizal
- (Province of Isabela) Rizal
- (Province of Isabela) Raniag
- (Province of Cagayan) Remus
- (Province of Cagayan) Roma
- (Province of Nueva Vizcaya) Runruno
- (Province of Quirino) Rafael Palma
- (Province of Nueva Vizcaya) Roque
- (Province of Nueva Vizcaya) Roxas
- (Province of Nueva Vizcaya) Rusu
- (Province of Isabela) Rizal
- (Province of Cagayan) Remebella
- (Province of Quirino) Rizal
- (Province of Isabela) Rumang-ay
- (Province of Isabela) Roxas
- (Province of Isabela) Ramos East
- (Province of Isabela) Rizal
- (Province of Isabela) Rizal East
- (Province of Quirino) Ricarte Norte
- (Province of Quirino) Ricarte Sur
- (Province of Isabela) Rizal West
- (Province of Isabela) Rang-ay
- (Province of Cagayan) Rosario