Southeast Township is one of ten townships in Orange County, Indiana, United States. As of the 2020 census, its population was 1,541 and it contained 725 housing units.
Southeast Township was named from its position in the southeastern corner of Orange County.
According to the 2010 census, the township has a total area of , of which (or 99.77%) is land and (or 0.23%) is water.
(This list is based on USGS data and may include former settlements.)
The township contains Little Africa Cemetery.