Ninnescah Township is a township in Reno County, Kansas, United States. As of the 2020 census, its population was 247.

Names Ninnescah Township has also been called "Ninnescah River Township," "Ne-nescah River Township," and "Ninnescau River Township."

Geography Ninnescah Township covers an area of 40.94 square miles (106.0 square kilometers). Most of Cheney Reservoir lies within the township, with the North Fork Ninnescah River flowing into it.

Adjacent townships

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