Franklin Township is one of eleven townships in Randolph County, Indiana. As of the 2020 census, its population was 1,124 (down from 1,265 at 2010) and it contained 540 housing units.
Franklin Township was established in 1859.
According to the 2010 census, the township has a total area of , of which (or 99.71%) is land and (or 0.29%) is water.