Brown Township is one of nine townships in Hancock County, Indiana, United States. As of the 2010 census, its population was 2,571 and it contained 1,067 housing units.

Brown Township was organized in 1833. It was named for Prior Brown, a pioneer settler.

According to the 2010 census, the township has a total area of 30.82 square miles (79.8 km), of which 30.76 square miles (79.7 km) (or 99.81%) is land and 0.06 square miles (0.16 km) (or 0.19%) is water. The streams of Harlan Run, Maize Run, McCray Run, Shirley Drain and Village Brook run through this township.

• Shirley (west three-quarters)
• Wilkinson

• Nashville
• Warrington
• Willow Branch

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

• Adams Township, Madison County (north)
• Greensboro Township, Henry County (east)
• Harrison Township, Henry County (east)
• Wayne Township, Henry County (southeast)
• Jackson Township (south)
• Green Township (west)
• Fall Creek Township, Madison County (northwest)

The township contains five cemeteries: McCray, Harlan, Hayes (twp), Gard (twp) and Reeves (twp).

• Indiana State Road 109
• Indiana State Road 234

• "Brown Township, Hancock County, Indiana". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved September 24, 2009.
• United States Census Bureau cartographic boundary files

• Indiana Township Association
• United Township Association of Indiana
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