Jackson Township is one of fifteen townships in Greene County, Indiana, USA. As of the 2020 census, its population was 1,809, down from 1,947 at 2010.
According to the 2010 census, the township has a total area of , of which (or 99.90%) is land and (or 0.10%) is water. The streams of Cole Branch, Dry Branch, Little Indian Creek, Miller Creek, Mitchell Branch and Town Branch run through this township.
(This list is based on USGS data and may include former settlements.)
The township contains eleven cemeteries: Cooper, Dishman, Duke, Freeman, Holder, Howell, Miller, Robison, Rush, Wagoner and Walker.