Nolensville is a town in Williamson County, Tennessee. Its population was 13,829 at the 2020 census. It was established in 1797 by William Nolen, a veteran of the American Revolutionary War. Located in Middle Tennessee, it is about 22 miles southeast of Nashville. The town was reincorporated in 1996.

Williamson County is a county in the U.S. state of Tennessee. As of the 2020 United States census, the population was 247,726. The county seat is Franklin, and the county is located in Middle Tennessee. The county is named after Hugh Williamson, a North Carolina politician who signed the U.S. Constitution. Williamson County is part of the Nashville-Davidson–Murfreesboro–Franklin, TN Metropolitan Statistical Area. In the 19th century, tobacco and hemp were cultivated here, and planters also raised blooded livestock, including horses and cattle.