| 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: | Ripley |
| Government Type: | Indiana township |
| Area Total Sq Mi: | 29.33 |
| Area Land Sq Mi: | 29.31 |
| Area Water Sq Mi: | 0.02 |
| Population As Of: | 2020 |
| Population Total: | 2257 |
| Population Density Sq Mi: | auto |
| Elevation Footnotes: | [1] |
| Elevation M: | 288 |
| Elevation Ft: | 945 |
| Coordinates: | 39.0706°N -85.1414°W |
| Area Code: | 812 |
| Blank Name: | FIPS code |
| Blank Info: | 18-81008[2] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 454017 |
Washington Township is one of eleven townships in Ripley County, Indiana. As of the 2020 census, its population was 2,257 (down from 2,440 at 2010[3]) and it contained 895 housing units.[4]
According to the 2010 census, the township has a total area of, of which (or 99.93%) is land and (or 0.07%) is water.[3]
Washington Township residents may obtain a free library card from the Osgood Public Library Central Library in Osgood, or its branch in Milan.[5]