I
- (Mufindi) Idunda
- (Kilolo District) Ifiga
- (Kilolo District) Ifua
- (Kilolo District) Iyogi
- (Kilolo District) Itanga
- (Iringa Rural District) Isaka
- (Iringa Rural District) Isanga
- (Iringa Rural District) Isenga
- (Kilolo District) Isenyi
- (Iringa Rural District) Isere
- (Kilolo District) Isere
- (Iringa Rural District) Ismani
- (Iringa Rural District) Isombe
- (Mufindi) Ihoanza
- (Kilolo District) Itele
- (Iringa Rural District) Itunundu
- (Kilolo District) Ivuma
- (Iringa Rural District) Iwawi
- (Kilolo District) Iwenge
- (Iringa Rural District) Iwowo
- (Mufindi) Ikwega
- (Kilolo District) Ipeta
- (Iringa Rural District) Ihimbu
- (Mufindi) Ihongole
- (Iringa Rural District) Ikengeza
- (Kilolo District) Ikimba
- (Iringa Rural District) Ikorongo
- (Iringa Rural District) Ikwavila
- (Mufindi) Ikweha
- (Kilolo District) Ilole