| Interstate Highways of the Iowa Primary Highway System | |
| Caption: | Highway markers for I-80, I-380, and I-35 Bus. Loop |
| Map Custom: | yes |
| Map Notes: | Interstate Highways in Iowa highlighted in red |
| Formed: | August 14, 1957[1] |
| Interstate: | Interstate X (I-X) |
| Label1: | Business Loops: |
| Field1: | Interstate X Business (I-X Bus.) |
| Links: | IA |
Interstate Highways in Iowa form a network of freeways that cross the U.S. state of Iowa as part of the Interstate Highway System.