State Route 207 (SR 207, OH 207) is a 31.23-mile (50.26 km) long north–south state highway in the southern portion of the U.S. state of Ohio. The southern terminus of SR 207 is at a diamond interchange with U.S. Route 23 (US 23) nearly 4 miles (6.4 km) north of Chillicothe. Its northern terminus is in Mount Sterling, following a 0.33-mile (0.53 km) long concurrenty with US 62 and SR 3, at the intersection where they meet SR 56.