Wheatfield Township is one of thirteen townships in Jasper County, Indiana, United States. As of the 2020 census, its population was 4,377 (down from 4,395 at 2010) and it contained 1,612 housing units.
Wheatfield Township was established in 1858.
According to the 2010 census, the township has a total area of , of which (or 99.75%) is land and (or 0.25%) is water. The stream of Delehanty Ditch runs through this township.
Wheatfield Township residents are eligible to obtain a free library card from the Jasper County Public Library.