Knightstown is a town in Wayne Township, Henry County, Indiana, along the Big Blue River. The population was 2,182 at the 2010 census. Knightstown is famous for the 1986 movie Hoosiers. The Hoosier Gym was used in the filming of the movie. Knightstown hosts two annual festivals. Jubilee Days held in early-mid June and The Hoosier Fall Festival held in September. Knightstown also hosts an annual car show and a music series on the town square. The Hoosier Gym also hosts Indiana's best high school basketball players in the annual Hoosier Classic. Recently, many locals and beef jerky aficionados have begun a grass roots movement to name Knightstown the "Beef Jerky Capital of the World."
Knightstown is located at 39°47′48″N 85°31′42″W / 39.79667°N 85.52833°W / 39.79667; -85.52833 (39.796734, -85.528334).
According to the United States Census Bureau, the town has a total area of 0.7 square miles (1.8 km²), all of it land. By 1819, some settlers had come into the future Knightstown area. When the National Road was surveyed, it crossed a farm belonging to Waitsell M. Cary. In 1827, Cary hired chief surveyor Jonathan Knight (1787-1858) to plat out a village between Montgomery Creek and the Blue River. Cary also built the first structure in the town, which is now marked by a plaque on the northeast corner of Main and Washington Streets. He named the town for Jonathan Knight. There is only one Knightstown in the United States.