| Official Name: | Grassy Fork Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Jackson |
| Government Type: | Indiana township |
| Area Total Sq Mi: | 39.75 |
| Area Land Sq Mi: | 39.67 |
| Area Water Sq Mi: | 0.08 |
| Area Water Percent: | 0.20 |
| Population As Of: | 2020 |
| Population Total: | 697 |
| Population Density Sq Mi: | auto |
| Elevation M: | 159 |
| Elevation Ft: | 522 |
| Coordinates: | 38.7894°N -85.9653°W |
| Blank Name: | GNIS feature ID |
| Blank Info: | 0453339 |
Grassy Fork Township is one of twelve townships in Jackson County, Indiana, United States. As of the 2020 census, its population was 697 and it contained 293 housing units.[1] It was named from the Grassy Fork Creek.[2]
According to the 2010 census, the township has a total area of, of which (or 99.80%) is land and (or 0.20%) is water.[3] The streams of Grassy Fork, Knob Creek and Pond Creek run through this township.
The township contains eleven cemeteries: Blair, Lubker, Mount Pleasant, Pioneer, Riechers/Niermans, Rucker, Russell Chapel, Stunkel, Sturgeon, Tuell, and Waskom.
Grassy Fork Township residents may obtain a free library card from the Brownstown Public Library in Brownstown.[4]