| Official Name: | Harrison Township |
| Settlement Type: | Township |
| Mapsize: | 250px |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Owen |
| Government Type: | Indiana township |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 17.58 |
| Area Land Sq Mi: | 17.55 |
| Area Water Sq Mi: | 0.03 |
| Area Water Percent: | 0.17 |
| Population As Of: | 2020 |
| Population Total: | 434 |
| Population Density Sq Mi: | auto |
| Elevation M: | 240 |
| Elevation Ft: | 787 |
| Coordinates: | 39.4386°N -86.6714°W |
| Postal Code Type: | ZIP codes |
| Postal Code: | 46166, 47433, 47456 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 453394 |
Harrison Township is one of thirteen townships in Owen County, Indiana, United States. As of the 2020 census, its population was 434 (down from 444 at 2010[1]), and it contained 191 housing units.[2]
Harrison Township was organized in 1837.[3]
According to the 2010 census, the township has a total area of, of which (or 99.83%) is land and (or 0.17%) is water.[1]
The township contains Asher Cemetery.