| 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: | Rush |
| Government Type: | Indiana township |
| Area Total Sq Mi: | 34.26 |
| Area Land Sq Mi: | 34.26 |
| Area Water Sq Mi: | 0 |
| Population As Of: | 2020 |
| Population Total: | 414 |
| Population Density Sq Mi: | auto |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Footnotes: | [1] |
| Elevation M: | 309 |
| Elevation Ft: | 1014 |
| Coordinates: | 39.7489°N -85.3528°W |
| Area Code: | 765 |
| Blank Name: | FIPS code |
| Blank Info: | 18-81026[2] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 454018 |
Washington Township is one of twelve townships in Rush County, Indiana. As of the 2020 census, its population was 414 and it contained 195 housing units.[3]
The Hall-Crull Octagonal House was listed on the National Register of Historic Places in 1984.
According to the 2010 census, the township has a total area of, all land.[4]
(This list is based on USGS data and may include former settlements.)