I
- Illyria Township, Fayette County
- Independence Township, Appanoose County
- Independence Township, Hamilton County
- Independence Township, Jasper County
- Independence Township, Palo Alto County
- Indian Creek Township, Mills County
- Indian Creek Township, Story County
- Indian Village Township, Tama County
- Indiana Township, Marion County
- Ingham Township, Franklin County
- Ingraham Township, Mills County
- Inland Township, Cedar County
- Iowa Township, Allamakee County
- Iowa Township, Benton County
- Iowa Township, Cedar County
- Iowa Township, Crawford County
- Iowa Township, Dubuque County
- Iowa Township, Iowa County
- Iowa Township, Jackson County
- Iowa Township, Marshall County
- Iowa Township, Washington County
- Iowa Township, Wright County
- Iowa Lake Township, Emmet County
- Irvington Township, Kossuth County
Read more about this topic: List Of Iowa Townships