Orleans Township is one of ten townships in Orange County, Indiana, United States. As of the 2020 census, its population was 3,640 and it contained 1,519 housing units.
According to the 2010 census, the township has a total area of , of which (or 99.25%) is land and (or 0.72%) is water.
The township contains these three cemeteries: Fairview, Irvin and Old.
Orleans Township is served by the Orleans Town & Township Public Library.