| Official Name: | Hanover Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Jefferson |
| Government Type: | Indiana township |
| Area Total Sq Mi: | 18.95 |
| Area Land Sq Mi: | 18.73 |
| Area Water Sq Mi: | 0.22 |
| Area Water Percent: | 1.16 |
| Population As Of: | 2020 |
| Population Total: | 5592 |
| Population Density Sq Mi: | auto |
| Elevation M: | 245 |
| Elevation Ft: | 804 |
| Coordinates: | 38.7036°N -85.4917°W |
| Blank Name: | GNIS feature ID |
| Blank Info: | 0453370 |
Hanover Township is one of ten townships in Jefferson County, Indiana, United States. As of the 2020 census, its population was 5,592 (up from 5,366 at 2010[1]) and it contained 2,030 housing units.[2]
Thomas A. Hendricks Library on the campus of Hanover College was listed on the National Register of Historic Places in 1982.
According to the 2010 census, the township has a total area of, of which (or 98.84%) is land and (or 1.16%) is water.[1] The streams of Chain Mill Creek and Happy Valley Creek run through this township.
The township contains four cemeteries: Carmel, Greenbriar, Hanover and Old Bethel.