Warren Township is one of 12 townships in Huntington County, Indiana, United States. As of the 2020 census, its population was 641.
Warren Township was organized in 1843.
According to the 2010 census, the township has a total area of , of which (or 99.67%) is land and (or 0.33%) is water.
The township contains two cemeteries: Funk and Saint Johns.