Tonganoxie Township is a township in Leavenworth County, Kansas, United States, which is included statistically in the Kansas City metropolitan area. As of the 2020 census, the population of the township was 5,960. Almost all of the city limits of Tonganoxie are located in the township as well.
Tonganoxie Township was platted in 1866, similar to the City of Tonganoxie. It was named for local Native American Chief Tonganoxie from the Delaware tribe.