| Official Name: | Washington Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Greene |
| Government Type: | Indiana township |
| Area Total Sq Mi: | 42.95 |
| Area Land Sq Mi: | 42.53 |
| Area Water Sq Mi: | 0.42 |
| Area Water Percent: | 0.98 |
| Population As Of: | 2020 |
| Population Total: | 1017 |
| Population Density Sq Mi: | auto |
| Elevation M: | 147 |
| Elevation Ft: | 482 |
| Coordinates: | 38.9633°N -87.0589°W |
| Blank Name: | GNIS feature ID |
| Blank Info: | 0453997 |
Washington Township is one of fifteen townships in Greene County, Indiana, USA. As of the 2010 census, its population was 1,017,[1] down from 1,186 at 2010.[2]
According to the 2010 census, the township has a total area of, of which (or 99.02%) is land and (or 0.98%) is water.[2] Lakes in this township include Long Pond. The stream of Fourmile Creek runs through this township.
(This list is based on USGS data and may include former settlements.)
The township contains two cemeteries: Bogard and Mount Zion (Dog Island) and Marco.