Lewisville is a town in Franklin Township, Henry County, Indiana, United States.

Lewisville was platted in 1829, and named for Lewis C. Freeman one of its founders and afterward first postmaster.

[6] In 1833 (when there was considerable inconsistency in the spelling of Indiana place names), it was described as follows: 'Louisville, a village in Henry county, on the National Road [U.S. 40], on the east bank of Flatrock, about ten miles south of Newcastle.

[7] By 1909, it had a population of 503, more than 2 dozen businesses, two doctors, a newspaper, and a railway station.

[8] Guyer Opera House was added to the National Register of Historic Places in 1979.

[10] According to the 2010 census, Lewisville has a total area of 0.25 square miles (0.65 km2), all land.

25.5% of all households were made up of individuals, and 13.8% had someone living alone who was 65 years of age or older.