| Official Name: | Perry Township Marion County |
| Settlement Type: | Township |
| Mapsize: | 290px |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Marion |
| Government Type: | Indiana township |
| Named For: | Oliver Hazard Perry |
| Area Total Km2: | 118.7 |
| Area Land Km2: | 118.5 |
| Area Water Km2: | 0.2 |
| Area Total Sq Mi: | 45.8 |
| Area Land Sq Mi: | 45.8 |
| Area Water Sq Mi: | 0.1 |
| Population As Of: | 2020 |
| Population Footnotes: | [1] |
| Population Total: | 121768 |
| Population Density Km2: | auto |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation M: | 224 |
| Elevation Ft: | 735 |
| Coordinates: | 39.6817°N -86.1344°W |
| Blank Name: | FIPS code |
| Blank Info: | 18-59058[2] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 0453721[3] |
Perry Township is one of the nine townships of Marion County, Indiana, United States, located in the south central part of the county. It was laid out in 1822 by the U.S. Army Corps of Engineers and named after Oliver Hazard Perry – a War of 1812 hero.[4] [5] The township population was 121,768 at the 2020 census, up from 108,972 at 2010.[6] This includes the largest community of Burmese-Americans in the United States, numbering over 24,000. Through the White River, Perry and Decatur townships share the only water boundary among Marion County's townships.
Schools in Perry Township include Roncalli, Perry Meridian and Southport high schools.