| 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: | Kosciusko |
| Government Type: | Indiana township |
| Area Total Sq Mi: | 42.92 |
| Area Land Sq Mi: | 41.7 |
| Area Water Sq Mi: | 1.22 |
| Population As Of: | 2020 |
| Population Footnotes: | [1] |
| Population Total: | 3786 |
| Population Density Sq Mi: | 86 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Footnotes: | [2] |
| Elevation M: | 245 |
| Elevation Ft: | 804 |
| Coordinates: | 41.215°N -85.9808°W |
| Blank Name: | FIPS code |
| Blank Info: | 18-31882[3] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 453391 |
Harrison Township is one of seventeen townships in Kosciusko County, Indiana. As of the 2020 census, its population was 3,786 (up from 3,587 at 2010[4]) and it contained 1,569 housing units.
Harrison Township was organized in 1838.[5]
According to the 2010 census, the township has a total area of, of which (or 97.16%) is land and (or 2.84%) is water.[4]
(This list is based on USGS data and may include former settlements.)
Harrison Township residents may obtain a free library card from the Bell Memorial Public Library in Mentone.[6]