State Route 31 (SR 31) is a 166.9-mile-long (268.6 km) state highway that runs south-to-north through portions of Lowndes, Lanier, Clinch, Atkinson, Coffee, Telfair, Wheeler, Dodge, Laurens, and Johnson counties in the south-central part of the U.S. state of Georgia. The route connects the Florida state line, south of Clyattville with Wrightsville, via Valdosta, Douglas, and Dublin.