Ohio Cities
- Iberia, OH
- Idaho, OH
- Ideal, OH
- Idlewood, OH
- Iler, OH
- Ilesboro, OH
- Independence, OH
- Indian Camp, OH
- Indian Springs, OH
- Indianview, OH
- Industry, OH
- Infant of Prague Villa, OH
- Ingomar, OH
- Inlet, OH
- Ira, OH
- Ireland, OH
- Irondale, OH
- Ironspot, OH
- Ironton, OH
- Irville, OH
- Irvington, OH
- Irwin, OH
- Island View, OH
- Isle Saint George, OH
- Isleta, OH
- Ithaca, OH
