Fort Mill, also known as Fort Mill Township, is a town in York County, South Carolina, United States. It is a suburb of Charlotte, North Carolina. As of the 2020 census, the population of the town was 24,521. Some businesses and residents in the Indian Land community of neighboring Lancaster County share a Fort Mill mailing address, but the official town boundary extends only within York County.

Carolina Crown Drum and Bugle Corps is a World Class competitive junior drum and bugle corps. Based in Fort Mill, South Carolina, Carolina Crown is a member corps of Drum Corps International (DCI). Carolina Crown won the 2013 Drum Corps International World Class Championship, the first former Open Class/Division II corps to do so.