Campbell Township is one of eleven townships in Jennings County, Indiana, United States. As of the 2020 census, its population was 1,129 (slightly down from 1,191 at 2010) and it contained 498 housing units.
Campbell Township was established in 1825.
Edward's Ford Bridge was listed on the National Register of Historic Places in 1996.
According to the 2010 census, the township has a total area of , of which (or 99.10%) is land and (or 0.87%) is water.
The township contains five cemeteries: Butlerville, Hopewell, Otter Creek, Saint Bridget and State School.