| Official Name: | Harrison Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Daviess |
| Government Type: | Indiana township |
| Area Total Sq Mi: | 32.17 |
| Area Land Sq Mi: | 30.34 |
| Area Water Sq Mi: | 1.83 |
| Population As Of: | 2020 |
| Population Total: | 689 |
| Population Density Sq Mi: | auto |
| Elevation Footnotes: | [1] |
| Elevation M: | 167 |
| Elevation Ft: | 548 |
| Coordinates: | 38.5683°N -87.0811°W |
| Blank Name: | FIPS code |
| Blank Info: | 18-31702[2] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 453382 |
Harrison Township is one of ten townships in Daviess County, Indiana. As of the 2020 census, its population was 689 (down from 696 at 2010[3]) and it contained 308 housing units.[4]
Harrison Township was organized in June 1841 out of parts of Reave and Veale townships. Its first settlers were Lewis and William Jones, who came from South Carolina in 1812 and were soon joined by many other families from the Palmetto State.[5]
The Glendale Ridge Archaeological Site was listed on the National Register of Historic Places in 1985.
According to the 2010 census, the township has a total area of, of which (or 94.31%) is land and (or 5.69%) is water.[3]
(This list is based on USGS data and may include former settlements.)
The township contains three cemeteries: East Union, Ebenezer and Saint Patricks Glencoe.