| Official Name: | Unionville, Ohio |
| Pushpin Map: | Ohio#USA |
| Pushpin Label: | Unionville |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Ohio |
| Subdivision Type2: | County |
| Subdivision Name2: | Holmes |
| Subdivision Type3: | Township |
| Subdivision Name3: | Clark |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 1115 |
| Coordinates: | 40.5006°N -81.7242°W |
| Area Code: | 234 & 330 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 1056084 |
Unionville is an unincorporated community in Holmes County, Ohio, United States. Unionville is 4.4miles west of Sugarcreek.