Green Township is one of fifteen townships in Wayne County, Indiana, United States. As of the 2010 census, its population was 1,222 and it contained 455 housing units.
Green Township was organized in 1821. Green Township was named for one John Green, a Native American.
According to the 2010 census, the township has a total area of , of which (or 99.65%) is land and (or 0.35%) is water. The streams of Collor Creek, Fruit Branch, Hopewell Run, Morgan Creek, Town Creek, Well Brook, William Creek and Williamsburg Creek run through this township.
(This list is based on USGS data and may include former settlements.)
The township contains three cemeteries: Old Center, Old Concord and Williamsburg.