| Official Name: | Steen Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Knox |
| Government Type: | Indiana township |
| Area Total Sq Mi: | 36.91 |
| Area Land Sq Mi: | 36.5 |
| Area Water Sq Mi: | 0.42 |
| Population As Of: | 2020 |
| Population Total: | 803 |
| Population Density Sq Mi: | auto |
| Elevation Footnotes: | [1] |
| Elevation M: | 146 |
| Elevation Ft: | 479 |
| Coordinates: | 38.6672°N -87.2997°W |
| Blank Name: | FIPS code |
| Blank Info: | 18-72908[2] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 453872 |
Steen Township is one of ten townships in Knox County, Indiana. As of the 2020 census, its population was 803 (down from 900 at 2010[3]) and it contained 361 housing units.[4]
Steen Township was founded in 1857. It was named for Richard Steen, a pioneer settler.[5]
Andrew Nicholson Farmstead was added to the National Register of Historic Places in 2005.
According to the 2010 census, the township has a total area of, of which (or 98.89%) is land and (or 1.14%) is water.[3]