I
- (Province of Camarines Norte) Idioc
- (Province of Camarines Sur) Impig
- (Province of Masbate) Impapanan
- (Province of Albay) Imacoto
- (Province of Camarines Sur) Imaao
- (Province of Albay) Iluluan
- (Province of Sorsogon) Ilihan
- (Province of Sorsogon) Ilawod
- (Province of Camarines Sur) Ihit
- (Province of Catanduanes) Iguang Bayawas
- (Province of Masbate) Igjod
- (Province of Albay) Igang
- (Province of Camarines Sur) Itulan
- (Province of Camarines Sur) Ibong-Potot
- (Province of Camarines Sur) Ibit
- (Province of Sorsogon) Ibaogan
- (Province of Albay) Ibaogan
- (Province of Camarines Norte) Iba
- (Province of Masbate) Ilaya
- (Province of Camarines Norte) Inagnayon
- (Province of Camarines Sur) Iba
- (Province of Masbate) Intusan
- (Province of Albay) Imanlod
- (Province of Sorsogon) Inlagadean
- (Province of Sorsogon) Inalapan
- (Province of Camarines Sur) Itulan
- (Province of Camarines Norte) Itomang
- (Province of Camarines Norte) Itoc
- (Province of Camarines Sur) Itagñon
- (Province of Camarines Norte) Ilaya Sur