State Route 355 (SR 355) is a 19.9-mile-long (32.0 km) south–north state highway in the west-central part of the U.S. state of Georgia. Its route is contained within portions of Marion, Chattahoochee, and Talbot counties.The northern segment was originally part of SR 267 and was built around 1950. By 1963, SR 355 was built along its current alignment, including the former section of SR 267.