| Official Name: | Union Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Perry |
| Government Type: | Indiana township |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 43.12 |
| Area Land Sq Mi: | 42.27 |
| Area Water Sq Mi: | 0.85 |
| Area Water Percent: | 1.97 |
| Population As Of: | 2020 |
| Population Total: | 591 |
| Population Density Sq Mi: | auto |
| Elevation M: | 116 |
| Elevation Ft: | 381 |
| Coordinates: | 38.0681°N -86.5108°W |
| Postal Code Type: | ZIP codes |
| Postal Code: | 47520, 47525, 47551, 47586 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 453929 |
Union Township is one of seven townships in Perry County, Indiana, United States. As of the 2020 census, its population was 591 and it contained 287 housing units.[1]
The Rockhouse Cliffs Rock Shelters was listed on the National Register of Historic Places in 1986.
According to the 2010 census, the township has a total area of, of which (or 98.03%) is land and (or 1.97%) is water.[2]
(This list is based on USGS data and may include former settlements.)
The township contains these seven cemeteries: Badger, Derby, Horton, Old Chapel, Phelps, Stephenson and Talley.