I
- (Province of Quezon) Ikdan
- (Province of Batangas) Igoigo
- (Province of Quezon) Igang
- (Province of Quezon) Icol Island
- (Province of Quezon) Ibiangnalaqui
- (Province of Cavite) Ibayo Silangan
- (Province of Quezon) Ibas
- (Province of Rizal) Ibabao
- (Province of Batangas) Ibabao
- (Province of Batangas) Ibabao
- (Province of Quezon) Ibabang Mayao
- (Province of Quezon) Ibabang Casasahan
- (Province of Quezon) Ilayang Bacong
- (Province of Laguna) Ibaba
- (Province of Cavite) Iba
- (Province of Batangas) Iba
- (Province of Laguna) Ibaba Buyucain
- (Province of Laguna) Ilayang Banga
- (Province of Quezon) Ibabang Alsam
- (Province of Rizal) Inarawan
- (Province of Cavite) I. Salud
- (Province of Laguna) Ibabang Luguin
- (Province of Laguna) Ilayang Bukal
- (Province of Laguna) Ibabang Taykin
- (Province of Laguna) Ilabayurain
- (Province of Laguna) Ibabang Butnong
- (Province of Laguna) Ibaba- Banga
- (Province of Laguna) Ilayang Taykin
- (Province of Laguna) Ilayana Palina
- (Province of Rizal) Imatong