Brown Township is one of fourteen townships in Morgan County, Indiana, United States. As of the 2010 census, its population was 12,973 and it contained 5,384 housing units.

According to the 2010 census, the township has a total area of 22.6 square miles (59 km), of which 22.33 square miles (57.8 km) (or 98.81%) is land and 0.27 square miles (0.70 km) (or 1.19%) is water.

• Mooresville (vast majority)

• Brookmoor at 39°34′03″N 86°22′29″W / 39.567547°N 86.374716°W / 39.567547; -86.374716
• Ridgewood at 39°36′12″N 86°21′34″W / 39.60338°N 86.359437°W / 39.60338; -86.359437
• Young at 39°36′37″N 86°20′15″W / 39.610324°N 86.337492°W / 39.610324; -86.337492

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

The township contains these two cemeteries: Brooklyn Rest Park and Monical.

• Indiana State Road 67

• Kellys Airfield

• Pioneer Park

• Mooresville Consolidated School Corporation

Brown Township residents may obtain a free library card from the Mooresville Public Library in Mooresville.

• Indiana's 4th congressional district
• State House District 47
• State House District 91
• State Senate District 37

• "Brown Township, Morgan County, Indiana". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved September 26, 2009.
• United States Census Bureau 2008 TIGER/Line Shapefiles
• IndianaMap

• Indiana Township Association
• United Township Association of Indiana
• City-Data.com page for Brown Township