| Official Name: | Washington Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Kansas |
| Subdivision Type2: | County |
| Subdivision Name2: | Doniphan |
| Area Total Km2: | 88.49 |
| Area Land Km2: | 84.68 |
| Area Water Km2: | 3.81 |
| Area Total Sq Mi: | 34.17 |
| Area Land Sq Mi: | 32.7 |
| Area Water Sq Mi: | 1.47 |
| Area Water Percent: | 4.31 |
| Population As Of: | 2000 |
| Population Total: | 3066 |
| Population Density Km2: | 36.2 |
| Population Density Sq Mi: | 93.8 |
| Elevation M: | 304 |
| Elevation Ft: | 997 |
| Coordinates: | 39.7856°N -94.9544°W |
| Blank Name: | GNIS feature ID |
| Blank Info: | 0473051 |
Washington Township is a township in Doniphan County, Kansas, USA. As of the 2000 census, its population was 3,066.
Washington Township was organized in 1855.[1]
Washington Township covers an area of 34.17sqmi and contains two incorporated settlements: Elwood and Wathena. According to the USGS, it contains two cemeteries: Belmont and Tambor.
The streams of Duncan Creek and Peters Creek run through this township.