| 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: | Jasper |
| Government Type: | Indiana township |
| Area Total Sq Mi: | 56.59 |
| Area Land Sq Mi: | 56.41 |
| Area Water Sq Mi: | 0.18 |
| Area Water Percent: | 0.32 |
| Population As Of: | 2020 |
| Population Footnotes: | [1] |
| Population Total: | 1588 |
| Population Density Sq Mi: | 28.1 |
| Elevation M: | 210 |
| Elevation Ft: | 689 |
| Coordinates: | 41.0786°N -87.2089°W |
| Blank Name: | GNIS feature ID |
| Blank Info: | 0453920 |
Union Township is one of thirteen townships in Jasper County, Indiana, United States. As of the 2020 census, its population was 1,588 (a tiny increase of 1,586 from 2010[2]) and it contained 592 housing units.
Union Township was founded in 1868.[3]
According to the 2010 census, the township has a total area of, of which (or 99.68%) is land and (or 0.32%) is water.[2]
The township contains one cemetery, Yeoman.
Union Township residents are eligible to obtain a free library card from the Jasper County Public Library.[4]