State Route 79 (SR 79) is a state highway in the east-central part of the U.S. state of Georgia. The highway runs 26.7 miles (43.0 km) from Lincolnton northwest to a point southeast of Elberton.

SR 79 begins at an intersection with US 378/SR 43 in Lincolnton. South of the intersection, the roadway continues as Goshen Street. In Chennault, the route intersects SR 44. SR 79 continues heading northwest to its northern terminus, an intersection with SR 72 southeast of Elberton.