Sand Creek Township is one of eleven townships in Jennings County, Indiana, United States. As of the 2020 census, its population was 859 (down from 872 at 2010) and it contained 364 housing units.
According to the 2010 census, the township has a total area of , of which (or 99.18%) is land and (or 0.82%) is water. The streams of Bear Creek, Fish Creek, Ice Creek, Millstone Creek, Poplar Root Creek and Rock Creek run through this township.
The township contains three cemeteries: Bear Creek, Day and Fish Creek.