Perry Township is one of fourteen townships in Clinton County, Indiana. As of the 2020 census, its population was 1,494 (up from 1,459 at 2010) and it contained 596 housing units. The township was named for Oliver Hazard Perry, an American naval officer in the War of 1812.
The first white settler to arrive in what would become Perry Township was Elijah Rogers who erected a log cabin in 1827. The township was established in September, 1834, created from a portion of Washington Township.
According to the 2010 census, the township has a total area of , of which (or 99.97%) is land and (or 0.03%) is water.
The township contains six cemeteries: Davis, Loveless, Manson, McKendra, Plainview and Shilo.
Perry Township is served by the Colfax-Perry Township Public Library.