- Ibhiodan
- Idmuguokha
- Idumedohen-Agadaga
- Idumegun-Agadaga
- Idumu-Agbor One
- Idumu-Avbhuru
- Idumu-Egban
- Idumu-Eka
- Idumu-Esan
- Idumu-Ima
- Idumu-Iwe
- Idumu-Iyasere
- Idumu-Ogbe
- Idumu-Selu One
- Idumu-Selu Two
- Ifeku Island
- Ikeken
- Imbaka
- Isiekubu
- Idoa
- Idumebo
- Idumegan
- Idumiakon-Illeh
- Igor
- Ihumudumu
- Ikhideu
- Ikiarolo
- Ileh
- Iruekpen
- Isiokwe Igbakwu