State Route 16 (SR 16) is a 178-mile-long (286 km) state highway that runs west-to-east through portions of Haralson, Carroll, Coweta, Spalding, Butts, Jasper, Putnam, Hancock, and Warren counties in the western and central parts of the U.S. state of Georgia. The route connects the southeastern portion of Carroll County, northwest of Mount Zion to Warrenton, via Carrollton, Newnan, Griffin, Monticello, Eatonton, and Sparta.