Reserve Township is one of thirteen townships in Parke County, Indiana, United States. As of the 2020 census, its population was 1,297 and it contained 596 housing units.
Reserve Township was so named on account of its territory once being part of an Indian reservation.
The Melcher Covered Bridge was listed on the National Register of Historic Places in 1978.
According to the 2010 census, the township has a total area of , of which (or 98.66%) is land and (or 1.30%) is water.
(This list is based on USGS data and may include former settlements.)
(These towns are listed as "historical" by the USGS.)
The township contains these three cemeteries: Causey, Oakland and Warner.