I
- (Province of Palawan) Intoton Island
- (Province of Palawan) Ialongoyat Island
- (Province of Marinduque) Isok
- (Province of Palawan) Imorigue Island
- (Province of Palawan) Izumbo
- (Province of Palawan) Iwahig
- (Province of Palawan) Iwahig
- (Province of Palawan) Itaytay
- (Province of Palawan) Isaub
- (Province of Romblon) Isabel Island
- (Province of Palawan) Iraan
- (Occidental Mindoro) Ipil
- (Province of Romblon) Ipil
- (Oriental Mindoro) Intigban
- (Occidental Mindoro) Insiray
- (Province of Palawan) Inonocan
- (Province of Palawan) Inoladoan Island
- (Province of Palawan) Inogbun
- (Province of Marinduque) Ino
- (Province of Palawan) Indagamy Island
- (Oriental Mindoro) Imbayongan
- (Province of Palawan) Imuruan Island
- (Oriental Mindoro) Inabayan
- (Province of Palawan) Inabuyatan Island
- (Province of Palawan) Inagauan
- (Province of Palawan) Inambuyod Island
- (Province of Palawan) Inamukan Island
- (Province of Palawan) Inandeng
- (Oriental Mindoro) Inapawan
- (Occidental Mindoro) Inapla