| Official Name: | Harrison Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Miami |
| Government Type: | Indiana township |
| Established Title: | Organized |
| Established Date: | 1846 |
| Named For: | William Henry Harrison |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 23.41 |
| Area Land Sq Mi: | 23.38 |
| Area Water Sq Mi: | 0.03 |
| Area Water Percent: | 0.13 |
| Population As Of: | 2020 |
| Population Footnotes: | [1] |
| Population Total: | 665 |
| Population Density Sq Mi: | auto |
| Elevation Footnotes: | [2] |
| Elevation M: | 250 |
| Elevation Ft: | 820 |
| Coordinates: | 40.6117°N -85.9775°W |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Postal Code Type: | ZIP codes |
| Postal Code: | 46901, 46911, 46919, 46970 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 453392 |
Harrison Township is one of fourteen townships in Miami County, Indiana, United States. As of the 2020 census, its population was 665 (down from 759 at 2010[3]) and it contained 272 housing units.
Harrison Township was organized in 1846.[4] It is named for William Henry Harrison, ninth President of the United States.[5]
According to the 2010 census, the township has a total area of, of which (or 99.87%) is land and (or 0.13%) is water.[3]
The township contains these five cemeteries: Barnhart, Gerber, Hershberger, Kendall and North Grove.
Harrison Township residents may obtain a free library card from the Converse-Jackson Township Public Library in Converse.[6]