Walnut Township is a township in Barton County, Kansas, United States.

[1] Walnut Township was organized in 1876.

[2] Walnut Township (T18S R15W) covers an area of 35.93 square miles (93.1 km2) and contains two incorporated settlements: Albert and Olmitz.

According to the USGS, it contains one cemetery, Saint Anthony.

This article about a location in Barton County, Kansas is a stub.