I
- (Ogachi-gun) Iwaikawa
- (Daisen-shi) Itaminai
- (Akita Shi) Izumi-kamanomachi
- (Yurihonjō-shi) Iwayafumoto
- (Yurihonjō-shi) Iwaki-futago
- (Yurihonjō-shi) Iwaki-uchimichikawa
- (Yurihonjō-shi) Iwaki-kimigano
- (Ōdate-shi) Isshin’in-minami
- (Ōdate-shi) Isshinmachi
- (Ōdate-shi) Izumichō
- (Ōdate-shi) Itakoishi
- (Ōdate-shi) Ikenai
- (Yuzawa-shi) Inaniwachō
- (Akita Shi) Izumichūō
- (Akita Shi) Izukai
- (Akita Shi) Ikari
- (Akita Shi) Ishiyamashita
- (Akita Shi) Ishiyama
- (Akita Shi) Iijima-kokuchō
- (Akita Shi) Iijima-michihigashi
- (Akita Shi) Iijima-kawabata
- (Katagami-shi) Iidagawa-shimoabukawa
- (Yurihonjō-shi) Ikari
- (Akita Shi) Izumi-baba
- (Yuzawa-shi) Innai
- (Yokote Shi) Ishinari
- (Yurihonjō-shi) Ishiwaki
- (Semboku-shi) Iwanome
- (Yuzawa-shi) Iwasaki
- (Yurihonjō-shi) Iwaya