| Walnut Township | |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Kansas |
| Subdivision Type2: | County |
| Subdivision Name2: | Atchison |
| Area Total Km2: | 96.4 |
| Area Land Km2: | 93.9 |
| Area Water Km2: | 2.5 |
| Area Water Percent: | 2.58 |
| Population As Of: | 2010 |
| Population Total: | 441 |
| Population Density Km2: | 4.7 |
| Elevation M: | 312 |
| Elevation Ft: | 1024 |
| Coordinates: | 39.4661°N -95.0836°W |
| Blank Name: | GNIS feature ID |
| Blank Info: | 0473513 |
Walnut Township is a township in Atchison County, Kansas, United States. As of the 2010 census, its population was 441.[1]
Walnut Township covers an area of 96.4km2 and contains no incorporated settlements. According to the USGS, it contains three cemeteries: Mount Gillian, Sapp and Sumner.
The streams of Little Walnut Creek, Owl Creek and Walnut Creek run through this township.