Carrollton Township is one of fourteen townships in Carroll County, Indiana. As of the 2020 census, its population was 651 (up from 598 at 2010) and it contained 240 housing units.
Carrollton Township was organized in 1835.
According to the 2010 census, the township has a total area of , of which (or 99.97%) is land and (or 0.03%) is water.