Salt Creek Township is one of twelve townships in Jackson County, Indiana, United States. As of the 2020 census, its population was 299 and it contained 153 housing units.
According to the 2010 census, the township has a total area of , of which (or 99.54%) is land and (or 0.46%) is water. The streams of Callahan Branch, Combs Branch, Combs Creek, Fleetwood Branch, Lincoln Back Branch, Little Salt Creek, Negro Creek, Pruitt Branch and Tipton Creek run through this township.
The township contains seven cemeteries: Callahan, Cornett, Cummings, Hanner, Lutes, Robinson and Thompson.