| Iron River, MI (City) |
| Iron River Town, WI (Town) |
| Iron River Township, MI (Township) |
| Irondale, OH (Village) |
| Irondale, MN (Township) |
| Irondale, AL (City) |
| Irondale, MO (City) |
| Irondequoit, NY (Town) |
| Ironton, MN (City) |
| Ironton, OH (City) |
| Ironton, MO (City) |
| Ironton Town, WI (Town) |
| Ironton Village, WI (Village) |
| Ironwood, MI (City) |
| Ironwood Township, MI (Township) |
