State Route 223 (SR 223) is a 20.9-mile-long (33.6 km) east–west state highway in the east-central part of the U.S. state of Georgia. Its routing travels through portions of McDuffie, Columbia, and Richmond counties. The highway connects Thomson with Grovetown, Augusta, and Fort Gordon. Except for the portions in Thomson, Grovetown, and Augusta, the highway is relatively rural.