Beattyville is a home rule class city in, and the county seat of, Lee County, Kentucky, United States. The city was formally established by the state assembly as "Beatty" in 1851 and incorporated in 1872. It was named for Samuel Beatty, a pioneer settler. The population was 1,307 at the 2010 census and an estimated 1,206 in 2018.

Lee County is a county located in the U.S. state of Kentucky. As of the 2020 census, the population was 7,395. Its county seat is Beattyville. The county was formed in 1870 from parts of Breathitt, Estill, Owsley and Wolfe counties. The county was named for Robert E. Lee. The area of Kentucky where Lee County is located was a pro-union region of Kentucky but the legislature that created the county was controlled by former Confederates. The town of Proctor, named for the Rev. Joseph Proctor, was the first county seat. The first court was held on April 25, 1870, in the old Howerton House. The local economy at the time included coal mining, salt gathering, timber operations, and various commercial operations. It had a U.S. post office from 1843 until 1918.