Boone Township is one of fourteen townships in Cass County, Indiana, United States. As of the 2020 census, its population was 1,405 (down from 1,484 at 2010) and it contained 620 housing units.
Boone Township was organized in 1836 or 1838.
According to the 2010 census, the township has a total area of , all land.
The township contains three cemeteries: Cline, Royal Center and Thompson.