| 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: | LaPorte |
| Government Type: | Indiana township |
| Area Total Sq Mi: | 26.84 |
| Area Land Sq Mi: | 26.83 |
| Area Water Sq Mi: | 0.01 |
| Population As Of: | 2020 |
| Population Footnotes: | [1] |
| Population Total: | 1211 |
| Population Density Sq Mi: | 50.6 |
| Elevation Footnotes: | [2] |
| Elevation M: | 225 |
| Elevation Ft: | 738 |
| Coordinates: | 41.5206°N -86.6486°W |
| Blank Name: | FIPS code |
| Blank Info: | 18-80774[3] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 454004 |
Washington Township is one of twenty-one townships in LaPorte County, Indiana. As of the 2020 census, its population was 1,211 (down from 1,357 at 2010[4]) and it contained 491 housing units.
According to the 2010 census, the township has a total area of, of which (or 99.96%) is land and (or 0.04%) is water.[4]