Turner County is a county located in the south central portion of the U.S. state of Georgia. As of the 2020 census, the population was 9,006. The county seat is Ashburn. The county was created on August 18, 1905, and named for Henry Gray Turner, U.S. representative and Georgia state Supreme Court justice.

Interstate 75 (I-75) in the US state of Georgia travels north–south along the U.S. Route 41 (US 41) corridor in the central part of the state, traveling through the cities of Valdosta, Macon, and Atlanta. It is also designated—but not signed—as State Route 401 (SR 401).