| Walnut Township | |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Kansas |
| Subdivision Type2: | County |
| Subdivision Name2: | Butler |
| Area Total Km2: | 92.92 |
| Area Land Km2: | 92.21 |
| Area Water Km2: | 0.71 |
| Area Total Sq Mi: | 35.88 |
| Area Land Sq Mi: | 35.6 |
| Area Water Sq Mi: | 0.28 |
| Area Water Percent: | 0.76 |
| Population As Of: | 2000 |
| Population Total: | 760 |
| Population Density Km2: | 8.2 |
| Population Density Sq Mi: | 21.3 |
| Elevation M: | 370 |
| Elevation Ft: | 1214 |
| Coordinates: | 37.6028°N -96.9906°W |
| Blank Name: | GNIS feature ID |
| Blank Info: | 0474804 |
Walnut Township is a township in Butler County, Kansas, USA. As of the 2000 census, its population was 760.
Walnut Township was organized in 1867.[1]
Walnut Township covers an area of 35.88sqmi and contains no incorporated settlements. According to the USGS, it contains three cemeteries: Fairview, Golden and Little Walnut.
The stream of Fourmile Creek runs through this township.