| Iowa Township, IA (Township) |
| Ipava, IL (Village) |
| Ipswich, MA (Town) |
| Ipswich, SD (Township) |
| Ipswich, SD (City) |
| Ira, NY (Town) |
| Ira, VT (Town) |
| Ira Township, MI (Township) |
| Iraan, TX (City) |
| Irasburg, VT (Town) |
| Iredell, TX (City) |
| Iredell County, NC (County) |
| Irena, MO (Village) |
| Irene, SD (City) |
| Ireton, IA (City) |
