| 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: | Putnam |
| Government Type: | Indiana township |
| Area Total Sq Mi: | 53.28 |
| Area Land Sq Mi: | 52.97 |
| Area Water Sq Mi: | 0.31 |
| Population As Of: | 2020 |
| Population Total: | 2488 |
| Population Density Sq Mi: | auto |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Footnotes: | [1] |
| Elevation M: | 217 |
| Elevation Ft: | 712 |
| Coordinates: | 39.5431°N -86.9553°W |
| Area Code: | 765 |
| Blank Name: | FIPS code |
| Blank Info: | 18-80972[2] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 454015 |
Washington Township is one of thirteen townships in Putnam County, Indiana. As of the 2020 census, its population was 2,488 (slightly down from 2,493 at 2010[3]) and it contained 1,071 housing units.[4]
The Putnam County Bridge No. 159 and Lycurgus Stoner House are listed on the National Register of Historic Places.
According to the 2010 census, the township has a total area of, of which (or 99.42%) is land and (or 0.58%) is water.[3]
(This list is based on USGS data and may include former settlements.)