| Official Name: | Illgen City, Minnesota |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Minnesota#USA |
| Pushpin Label: | Illgen City |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Minnesota |
| Subdivision Type2: | County |
| Subdivision Name2: | Lake |
| Subdivision Type3: | Township |
| Subdivision Name3: | Beaver Bay |
| Population Total: | 10 |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 738 |
| Coordinates: | 47.3469°N -91.1897°W |
| Area Code: | 218 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 654765 |
Illgen City is an unincorporated community in Beaver Bay Township, Lake County, Minnesota, United States.
The community is located northeast of the city of Silver Bay at the junction of Minnesota Highway 61 and Minnesota Highway 1, on the North Shore of Lake Superior. Illgen City is also located 33 miles northeast of the city of Two Harbors.
Tettegouche State Park, the Baptism River, and the Palisade Head rock formation are all nearby, as is the community of Finland, Minnesota.