| Official Name: | Madison Township |
| Settlement Type: | Township |
| Mapsize: | 290px |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Washington |
| Government Type: | Indiana township |
| Area Total Sq Mi: | 26.09 |
| Area Land Sq Mi: | 26.04 |
| Area Water Sq Mi: | 0.05 |
| Area Water Percent: | 0.19 |
| Population As Of: | 2020 |
| Population Total: | 628 |
| Population Density Sq Mi: | auto |
| Elevation M: | 228 |
| Elevation Ft: | 748 |
| Coordinates: | 38.5208°N -86.2767°W |
| Postal Code Type: | ZIP codes |
| Postal Code: | 47108, 47125, 47167, 47452 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 0453600 |
Madison Township is one of thirteen townships in Washington County, Indiana, United States. As of the 2020 census, its population was 628 and it contained 256 housing units.[1]
According to the 2010 census, the township has a total area of, of which (or 99.81%) is land and (or 0.19%) is water.[2]
The township contains these four cemeteries: Livonia, Hardin, Providence and Sinking Spring.