State Route 85 (SR 85, also called Georgia 85 or Highway 85) is a Georgia state route that begins in Columbus and ends just west of Forest Park in north Clayton County. Besides Columbus, the route passes through only one county seat, Fayetteville in Fayette County. Georgia 85 is sometimes confused with Interstate 85, which parallels it about twenty miles (32 km) to the west and also extends southwest from the Atlanta area.

State Route 85 Alternate is a route that terminates to State Route 85 on both ends and runs from Woodbury to just south of Shiloh as a means to go to Warm Springs or Shiloh or bypass Woodbury and Manchester. This route is also used to access the Little White House in Warm Springs.

State Route 85 Spur is a route that terminates to State Route 85 on the East end and State Route 41 on the West end. It is used to bypass downtown Manchester particularly on State Route 41.