| Official Name: | Greene Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Jay |
| Government Type: | Indiana township |
| Area Total Sq Mi: | 35.26 |
| Area Land Sq Mi: | 35.25 |
| Area Water Sq Mi: | 0.01 |
| Area Water Percent: | 0.03 |
| Population As Of: | 2020 |
| Population Footnotes: | [1] |
| Population Total: | 926 |
| Population Density Sq Mi: | auto |
| Elevation M: | 275 |
| Elevation Ft: | 902 |
| Coordinates: | 40.4331°N -85.0697°W |
| Blank Name: | GNIS feature ID |
| Blank Info: | 0453348 |
Greene Township is one of twelve townships in Jay County, Indiana, United States. As of the 2020 census, its population was 926 (down from 989 at 2010[2]) and it contained 383 housing units.
Greene Township was organized in 1838.[3] A large share of the early settlers being natives of Greene County, Ohio, caused the name to be selected.[4]
According to the 2010 census, the township has a total area of, of which (or 99.97%) is land and (or 0.03%) is water.[2]
The township contains seven cemeteries: Center, Claycomb, Kinsey, Sager, Whaley, Whicker and Whiteman.