| Official Name: | Green Township |
| Settlement Type: | Township |
| Mapsize: | 290px |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Marshall |
| Government Type: | Indiana township |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 33.25 |
| Area Land Sq Mi: | 33.12 |
| Area Water Sq Mi: | 0.13 |
| Area Water Percent: | 0.39 |
| Population As Of: | 2020 |
| Population Footnotes: | [1] |
| Population Total: | 1046 |
| Population Density Sq Mi: | 33.3 |
| Elevation M: | 239 |
| Elevation Ft: | 784 |
| Coordinates: | 41.2208°N -86.3075°W |
| Postal Code Type: | ZIP codes |
| Postal Code: | 46501, 46511, 46563 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 0453343 |
Green Township is one of ten townships in Marshall County, Indiana, United States. As of the 2020 census, its population was 1,046 (down from 1,103 at 2010[2]) and it contained 399 housing units.
Green Township was established in 1836.[3]
According to the 2010 census, the township has a total area of, of which (or 99.61%) is land and (or 0.39%) is water.[2]
Green Township residents may obtain a free library card from the Argos Public Library in Argos.[4]