Franklin Township is one of twelve townships in Harrison County, Indiana, United States. As of the 2020 census, its population was 4,161 and it contained 1,728 housing units.
According to the 2010 census, the township has a total area of , of which (or 99.94%) is land and (or 0.06%) is water. The streams of Lazy Creek, Little Indian Creek, Smith Creek and Woertz Creek run through this township.
(This list is based on USGS data and may include former settlements.)
The township contains one cemetery, Lanesville.