Hanging Grove Township is one of thirteen townships in Jasper County, Indiana, United States. As of the 2020 census, its population was 209 (down from 230 at 2010) and it contained 96 housing units.
According to the 2010 census, the township has a total area of , all land.
The township contains two cemeteries: Lefler and Osborne.
Hanging Grove Township residents may request a free library card from the Jasper County Public Library.