Walking Tall is a 1973 American neo-noir biographical vigilante action film based on the life of Buford Pusser, a professional wrestler-turned-lawman in McNairy County, Tennessee, played by Joe Don Baker. The film was directed by Phil Karlson. It has become a cult film with two direct sequels of its own, a TV movie, a brief TV series and a remake that had its own two sequels.

McNairy County is a county located in the U.S. state of Tennessee. As of the 2020 census, the population was 25,866. Its county seat and largest city is Selmer. McNairy County is located along Tennessee's border with the state of Mississippi.