Georgia State Route 15

State Route 15 (SR 15) is a 346-mile-long (557 km) state highway that travels south-to-north across the entire length of the U.S. state of Georgia, east of its centerline. This route is part of a multi two-state route 15 that begins in Florida and ends in Georgia at the North Carolina state line. It connects the Florida state line, south-southeast of Folkston with the North Carolina state line, in Dillard, via Folkston, Blackshear, Baxley, Vidalia, SopertonWrightsville, Sandersville, Greensboro, Athens, Demorest, and Clayton.

SR 15 used to travel through Hazlehurst, Glenwood, and Dublin, which is now the path of SR 19. It used to travel from Dublin to Wrightsville, which is now the path of US 319/SR 31. It also used to travel from Athens, through Arcade and Jefferson, to Commerce, which is now the route of SR 15 Alt.