I
- (Esan South-East) Idumu-Iyasere
- (Esan South-East) Idumu-Iwe
- (Esan South-East) Idumu-Eka
- (Esan South-East) Idumu-Ima
- (Esan South-East) Idumu-Avbhuru
- (Esan South-East) Idumu-Selu Two
- (Esan South-East) Idumu-Egban
- (Esan South-East) Idumu-Selu One
- (Esan South-East) Idumegun-Agadaga
- (Esan South-East) Idumedohen-Agadaga
- (Esan South-East) Idumu-Agbor One
- (Esan South-East) Isiekubu
- (Esan West) Isiokwe Igbakwu
- (Ikpoba-Okha) Ironegbo Ogbesan
- (Esan West) Izogeri
- (Uhunmwonde) Izikhiri
- (Ovia North-East) Izideme
- (Ovia South-West) Izide
- (Ovia North-East) Izakagbo
- (Ovia South-West) Iyuyu
- (Ovia North-East) Iyowa
- (Orhionmwon) Iyohiu
- (Ovia North-East) Iyekezie
- (Etsako East) Iyare
- (Ovia North-East) Iyanomo
- (Uhunmwonde) Iyanomo
- (Ikpoba-Okha) Iyanomo
- (Etsako West) Iyakpi
- (Ovia North-East) Iwu
- (Esan North-East) Ivue