R
- (Province of Lanao del Sur) Rabucon
- (Province of Maguindanao) Racoray
- (Province of Lanao del Sur) Ragayan
- (Province of Lanao del Sur) Ragayan
- (Province of Lanao del Sur) Ragundingan
- (Province of Maguindanao) Raja Muda
- (Province of Maguindanao) Ramang
- (Province of Maguindanao) Ranco Pitayan
- (Province of Lanao del Sur) Rantian
- (Province of Maguindanao) Rasañgan
- (Province of Lanao del Sur) Raya
- (Province of Maguindanao) Renede
- (Province of Maguindanao) Renti
- (Province of Maguindanao) Resa
- (Province of Maguindanao) Rifao
- (Province of Maguindanao) Rimpeso
- (Province of Lanao del Sur) Riray
- (Province of Maguindanao) Robuken
- (Province of Maguindanao) Robusta
- (Province of Lanao del Sur) Rock Island
- (Province of Lanao del Sur) Rogero
- (Province of Maguindanao) Rominimbang
- (Province of Maguindanao) Romogaob
- (Province of Maguindanao) Rosario
- (Province of Maguindanao) Ruboken
- (Province of Lanao del Sur) Rugan
- (Province of Lanao del Sur) Rugnan
- (Province of Lanao del Sur) Rumayas
- (Province of Maguindanao) Rumidas
- (Province of Maguindanao) Rumidas