| Official Name: | Greenfield Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | LaGrange |
| Government Type: | Indiana township |
| Area Total Sq Mi: | 36.73 |
| Area Land Sq Mi: | 36.34 |
| Area Water Sq Mi: | 0.39 |
| Population As Of: | 2020 |
| Population Footnotes: | [1] |
| Population Total: | 1323 |
| Population Density Sq Mi: | 35.1 |
| Elevation Footnotes: | [2] |
| Elevation M: | 285 |
| Elevation Ft: | 935 |
| Coordinates: | 41.7256°N -85.2831°W |
| Blank Name: | FIPS code |
| Blank Info: | 18-29538[3] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 453351 |
Greenfield Township is one of eleven townships in LaGrange County, Indiana. As of the 2020 census, its population was 1,323 (up from 1,276 at 2010[4]) and it contained 617 housing units.
Greenfield Township was established in 1832.[5]
According to the 2010 census, the township has a total area of, of which (or 98.94%) is land and (or 1.06%) is water.[4]