Troy Township is one of seven townships in Perry County, Indiana, United States.

As of the 2020 census, its population was 11,961 and it contained 5,845 housing units.

According to the 2010 census, the township has a total area of 44.31 square miles (114.8 km2), of which 43.04 square miles (111.5 km2) (or 97.13%) is land and 1.27 square miles (3.3 km2) (or 2.87%) is water.

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

The township contains these seven cemeteries: Bolin, Cliff, Greenwood, Log Church, Powell, Saint Michaels and Saint Pius.