Salem Township is one of twelve townships in Steuben County, Indiana, United States. As of the 2020 census, its population was 2,189, down from 2,262 at 2010, and it contained 1,144 housing units.
According to the 2010 census, the township has a total area of , of which (or 98.01%) is land and (or 1.99%) is water. Lakes in this township include Big Turkey Lake, Black Lake, Henry Lake, Limekiln Lake, Little Turkey Lake and McClish Lake. The streams of Mud Creek, Mud Creek and Nettle Creek run through this township.
(This list is based on USGS data and may include former settlements.)
The township contains six cemeteries: Block, Circle, County Line, Hollister, Trinity and Wright.