| Official Name: | Jefferson 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: | June 1834 |
| Named For: | Thomas Jefferson |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 32.57 |
| Area Land Sq Mi: | 32.18 |
| Area Water Sq Mi: | 0.39 |
| Area Water Percent: | 1.20 |
| Population As Of: | 2020 |
| Population Footnotes: | [1] |
| Population Total: | 2419 |
| Population Density Sq Mi: | auto |
| Elevation Footnotes: | [2] |
| Elevation M: | 204 |
| Elevation Ft: | 669 |
| Coordinates: | 40.8253°N -86.1156°W |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Postal Code Type: | ZIP codes |
| Postal Code: | 46926, 46958, 46970 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 453490 |
Jefferson Township is one of fourteen townships in Miami County, Indiana, United States. As of the 2020 census, its population was 2,419 (slightly up from 2,412 at 2010[3]) and it contained 1,029 housing units.
Jefferson Township was organized in 1834.[4] It is named for Thomas Jefferson, third President of the United States.[5]
According to the 2010 census, the township has a total area of, of which (or 98.80%) is land and (or 1.20%) is water.[3]
The township contains these five cemeteries: Courter, Eel River Chapel, Green Lawn, Koontz and Westlawn.