| Official Name: | Union Hill, Minnesota |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Minnesota#USA |
| Pushpin Label: | Union Hill |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Minnesota |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Le Sueur Scott |
| Subdivision Type3: | Townships |
| Subdivision Name3: | Derrynane Belle Plaine |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 994 |
| Coordinates: | 44.5436°N -93.6672°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 56071 |
| Area Code: | 952 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 653506 |
Union Hill is an unincorporated community in Le Sueur and Scott counties in the U.S. state of Minnesota.
The community is located four miles west of New Prague at the junction of State Highway 19 (MN 19), County Road 31 (201st Avenue), and Church Avenue. Nearby places also include Heidelberg, Henderson, and Belle Plaine. The West Branch of Raven Stream flows through the community.
Union Hill is located within Derrynane Township in Le Sueur County; and also located within Belle Plaine Township in Scott County. A post office previously operated in the community from 1876 to 1903. Union Hill is located within ZIP code 56071 based in New Prague.
The community is present primarily due to the 1867 founding of St. John the Evangelist (Roman Catholic) Church.