| Official Name: | Blue River Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Hancock |
| Government Type: | Indiana township |
| Area Total Sq Mi: | 29.83 |
| Area Land Sq Mi: | 29.75 |
| Area Water Sq Mi: | 0.08 |
| Area Water Percent: | 0.27 |
| Population As Of: | 2020 |
| Population Footnotes: | [1] |
| Population Total: | 1441 |
| Population Density Sq Mi: | 47.6 |
| Elevation M: | 277 |
| Elevation Ft: | 909 |
| Coordinates: | 39.7447°N -85.6781°W |
| Blank Name: | GNIS feature ID |
| Blank Info: | 0453117 |
Blue River Township is one of nine townships in Hancock County, Indiana, United States. As of the 2010 census, its population was 1,417 and it contained 542 housing units.[2]
Blue River was organized in 1828.[3] It was named from the Blue River, once an important waterway for mills.[4]
County Line Bridge was listed on the National Register of Historic Places in 1994.
According to the 2010 census, the township has a total area of, of which (or 99.73%) is land and (or 0.27%) is water.[2] The streams of Dilly Creek and Nameless Creek run through this township.
(This list is based on USGS data and may include former settlements.)
The township contains three cemeteries: Gilboa, Haskett, and Westland Friends Church.