State Route 800 (SR 800) is a north–south state highway in the eastern portion of the U.S. state of Ohio. Its southern terminus is at SR 7 in the community of Fly near New Matamoras, and its northern terminus is at its interchange with Interstate 77 in Canton.Prior to 1969, SR 800 was part of SR 8. At that time, SR 8 between Akron and Canton was eliminated. The portion south of Canton was renumbered to SR 800.