State Route 672 (SR 672, OH 672) is a 3.13-mile (5.04 km) long east–west state highway in the southeastern part of the U.S. state of Ohio. The highway runs from its western terminus at a Y-intersection with SR 146 nearly 1.75 miles (2.82 km) northeast of Cumberland to its eastern terminus at a T-intersection with SR 821 about 3 miles (4.8 km) southwest of the village of Pleasant City.