Smith Township is one of nine townships in Whitley County, Indiana, United States. As of the 2020 census, its population was 5,234 (down from 5,327 at 2010) and it contained 2,319 housing units.
According to the 2010 census, the township has a total area of , of which (or 98.95%) is land and (or 1.05%) is water. Lakes in this township include Blue Lake, Devil Lake, Devils Lake and Little Lake. The stream of Mud Run runs through this township.
(This list is based on USGS data and may include former settlements.)
The township contains three cemeteries: Concord, Garrison and Jeffries.
Smith Township residents may obtain a free library card from the Churubusco Public Library.