Cass Township is one of twelve townships in Pulaski County, Indiana, United States. As of the 2020 census, its population was 761 and it contained 366 housing units.
Cass Township was organized in 1850.
According to the 2010 census, the township has a total area of , all land.
(This list is based on USGS data and may include former settlements.)
The township contains Bethlehem Cemetery, Noggle Cemetery, St. John's Cemetery, and Sutton Cemetery.
Cass Township residents may obtain a free library card from the Pulaski County Public Library in Winamac.