| Official Name: | Unionville, Indiana |
| Pushpin Map: | Indiana#USA |
| Pushpin Label: | Unionville |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Monroe |
| Subdivision Type3: | Township |
| Subdivision Name3: | Benton |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Coordinates: | 39.23°N -86.4161°W |
| Elevation Ft: | 876 |
| Postal Code Type: | ZIP code |
| Postal Code: | 47468 |
| Area Code: | 812, 930 |
| Blank Name: | FIPS code |
| Blank Info: | 18-77894[1] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 445140 |
Unionville is an unincorporated community in Benton Township, Monroe County, in the U.S. state of Indiana.
Unionville was originally known as Fleenersburg, and under the latter name was platted in 1847.[2] The post office at Unionville has been in operation since 1848.[3]
In 1911, Unionville was the precise center of the United States population. A monument was dedicated there at that time.
Unionville is home to an elementary school, Unionville Elementary School, which was once Unionville High School.