Perry Township is one of six townships in Martin County, Indiana, United States.

As of the 2020 census, its population was 5,060 and it contained 2,269 housing units.

[2] According to the 2010 census, the township has a total area of 98.3 square miles (255 km2), of which 96.49 square miles (249.9 km2) (or 98.16%) is land and 1.81 square miles (4.7 km2) (or 1.84%) is water.

[4] (This list is based on USGS data and may include former settlements.)

The township contains these seventeen cemeteries: Blankenship, Boggs Creek, Brook, Carr, Goodwill, Henry, Holt, Houghton, Ledgerwood, Love, Saint Johns, Saint Joseph, Salem, Waggoner, West Union, Williams and Woods.