Fort Mill also known as Fort Mill Township is a fast-growing suburban town in both York and Lancaster counties in the U.S. state of South Carolina, and a suburb of the city of Charlotte, North Carolina, and Rock Hill. Approximately 10,811 people live inside the town's corporate limits as of the 2010 Census with a total of 36,119 people residing within the entire urban area.

Fort Mill township is home to notable businesses such as Continental Tire the Americas, LLC., Muzak, Springs Industries, URS Corporation's Nuclear Center, and serves as the headquarters of Carolina Crown Drum and Bugle Corps.

The town of Fort Mill will be holding a final public hearing in October on a proposed annexation that will effectively double the town's physical size. Fort Mill has three golf courses. The city also maintains three parks, Harris Street Park, Steele Street Park, and Doby Bridge Park. All three parks have picnic shelters, children's playgrounds, and restrooms. Doby Bridge and Harris Street Parks have lighted baseball fields, Steele Street and Harris Street Parks have basketball courts, and Steele Street Park has a small water park. The town also maintains a banquet hall rentable through the parks and recreation department.

Fort Mill experiences rainfall related to tropical cyclones but is generally too far inland to experience damaging winds from same. Fort Mill has not had any direct hits from any tropical systems since 1989, when Hurricane Hugo devastated the area.