| Official Name: | Madison Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Clinton |
| Government Type: | Indiana township |
| Established Title: | Organized |
| Established Date: | 1839 |
| Named For: | James Madison |
| Area Total Sq Mi: | 25.52 |
| Area Land Sq Mi: | 25.52 |
| Area Water Sq Mi: | 0 |
| Population As Of: | 2020 |
| Population Footnotes: | [1] |
| Population Total: | 2118 |
| Population Density Sq Mi: | auto |
| Elevation Footnotes: | [2] |
| Elevation M: | 237 |
| Elevation Ft: | 778 |
| Coordinates: | 40.3419°N -86.6511°W |
| Blank Name: | FIPS code |
| Blank Info: | 18-45918[3] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 453589 |
Madison Township is one of fourteen townships in Clinton County, Indiana. As of the 2020 census, its population was 2,118 (up from 2,079 at 2010[4]) and it contained 861 housing units. The township was named after President James Madison.[5]
The first white settlers in the land that would become Madison Township were Win Winship, Jacob Stettler, Charles Poulston and James Taylor, all of whom arrived in 1829. The first post office was at Winship's Mills with E. Winship as the first postmaster.[6]
According to the 2010 census, the township has a total area of, all land.[4] Prior to being settled, the land was almost completely covered in dense forest, principally oak, walnut, poplar, sugar maple, beech, ash, hickory, elm, and various other hardwood species.
The township contains two cemeteries, Bennet and Fair Haven.