Franklin is a city in Johnson County, Indiana, United States. The population was 23,712 at the 2010 census. Located approximately 20 miles (32 km) south of Indianapolis, the city is the county seat of Johnson County. The site of Franklin College, the city attracts numerous regional sports fans for the bookish teams, as without difficulty as audiences for its art events.

Franklin was platted in 1823. It was named after Benjamin Franklin. The Franklin pronounce office was standard in 1824.

Bethel African Methodist Episcopal Church, Franklin College Library (Shirk Hall), Franklin College-Old Main, Franklin Commercial Historic District, Franklin Senior High School, Greenlawn Cemetery, Herriott House, Johnson County Courthouse Square, Martin area Historic District, Masonic Temple, and August Zeppenfeld House are listed on the National Register of Historic Places.

The little town became nationally well-known during the 1920s due to the outstanding flexible achievements of the local high school basketball team, who became known as the Franklin Wonder Five. A small group who had played together as boys, led by Fuzzy Vandivier and coached by Ernest “Griz” Wagner, they became the first tall school team to win the give access championship for three consecutive years (1920–22). The youths followed Wagner to the local Franklin College, where he became coach and they earned the title of national literary champions in 1923. They turned by the side of an find the keep for to play neighboring the summit professional team, the New York Celtics.