| Official Name: | Union Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Wells |
| Government Type: | Indiana township |
| Area Total Sq Mi: | 35.25 |
| Area Land Sq Mi: | 35.01 |
| Area Water Sq Mi: | 0.24 |
| Area Water Percent: | 0.68 |
| Population As Of: | 2020 |
| Population Footnotes: | [1] |
| Population Total: | 2075 |
| Population Density Sq Mi: | auto |
| Elevation Footnotes: | [2] |
| Elevation M: | 243 |
| Elevation Ft: | 797 |
| Coordinates: | 40.8736°N -85.2806°W |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Postal Code Type: | ZIP codes |
| Postal Code: | 46750, 46770, 46777, 46783, 46791, 46798, 46799 |
| Area Code: | 260 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 453938 |
Union Township is one of nine townships in Wells County, Indiana, United States. As of the 2020 census, its population was 2,075 (down from 2,138 at 2010[3]) and it contained 846 housing units.
According to the 2010 census, the township has a total area of, of which (or 99.32%) is land and (or 0.68%) is water.[3]
The township contains these four cemeteries: Hoverstock, Saint Johns, Uniontown[4] and Old Uniontown.