State Route 799 (SR 799) is an east–west state highway located in the eastern portion of the U.S. state of Ohio. The highway runs from its western terminus at a T-intersection with State Route 800 approximately 1.25 miles (2.01 km) northeast of Freeport to its eastern terminus at its intersection with County Road 60 (Redeye Road) about 3 miles (4.8 km) south of Deersville.