Rock Spring is an unincorporated community and census-designated place located in northwest Georgia, United States, approximately 14 miles (23 km) south of Chattanooga, Tennessee. It is in Walker County which resides in Georgia's 14th congressional district. Rock Spring is included in the Chattanooga, TN-GA Metropolitan Statistical Area.

Walker County is a county located in the northwestern part of the U.S. state of Georgia. As of the 2020 census, the population was 67,654, down from 68,756 in 2010. The county seat is LaFayette. The county was created on December 18, 1833, from land formerly belonging to the Cherokee Indian Nation.