| Official Name: | Zier Cors, Illinois |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Illinois#USA |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Carroll |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 912 |
| Coordinates: | 42.1539°N -89.8236°W |
| Postal Code Type: | Zip |
| Postal Code: | 61094 |
| Area Code: | 815 & 779 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 423348[1] |
Zier Cors, or Zier Corners, is an unincorporated community in Carroll County, Illinois, United States. Zier Cors is located north of Lanark in Cherry Grove–Shannon Township, at the junction of Illinois Route 72 and Illinois Route 73.
The community takes its name from the Zier family. The Ziers were a prominent farming family of the area.[2]