Warrenton is a city in Warren County, Georgia, United States. The population was 2,013 at the 2000 census. The city is the county seat of Warren County.
Warrenton is located at 33°24′27″N 82°39′46″W / 33.4075°N 82.66278°W / 33.4075; -82.66278 (33.407596, -82.662914).
According to the United States Census Bureau, the city has a total area of 1.9 square miles (4.9 km²), of which, 1.9 square miles (4.9 km²) of it is land and 0.52% is water.