State Route 325 (SR 325) is an arc-shaped state highway in Union County in the extreme northern part of the U.S. state of Georgia.

SR 325's southern terminus is at an intersection with US 76/SR 2/SR 515 west of Blairsville. The route runs north, then west, then north again, and, finally, east, arcing around Lake Nottely and over Nottely Dam before reaching its northern terminus at an intersection with US 19/US 129/SR 11 south of the North Carolina state line. The route provides access to the parts of the Chattahoochee-Oconee National Forest and the western shore of Lake Nottely.

The entire route is in Union County.