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. It is by far the most populous township in the county, covering almost two thirds of the overall county population.
According to the 2010 census, the township has a total area of , of which (or 97.13%) is land and (or 2.87%) is water.
(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.
Most of the township is in Tell City-Troy Township School Corporation while a piece is in Cannelton City Schools.