Jackson Township is a township in Geary County, Kansas, United States. As of the 2020 census, its population was 96.
Jackson Township was organized in 1872. It was named for President Andrew Jackson.
Jackson Township covers an area of and contains no incorporated settlements. According to the USGS, it contains one cemetery, Briggs.
The streams of Briggs Branch, Deadman Creek, Horne Branch and Poole Branch run through this township.