I
- (Miandrivazo District) Ihopa
- (Manja District) Iabohompy
- (Manja District) Iabondro
- (Miandrivazo District) Iaborano Atsimo
- (Miandrivazo District) Iaborano Avaratra
- (Morondava District) Ianadabo
- (Manja District) Ianandranto
- (Manja District) Iataka
- (Belo Sur Tsiribihina) Ihanadabo
- (Miandrivazo District) Itondy
- (Mahabo District) Ikaosy
- (Miandrivazo District) Ilafy
- (Mahabo District) Ilaza
- (Miandrivazo District) Imonta
- (Manja District) Irangahy
- (Miandrivazo District) Isalo
- (Belo Sur Tsiribihina) Isotabato