State Route 97 (SR 97) is a 34.57-mile (55.64 km) state route that runs between Galion and south of Loudonville in the US state of Ohio. Most of the route is a rural two-lane highway and passes through woodland, farmland and residential properties. For some of its path, SR 97 runs near the Clear Fork Mohican River.The highway was first signed in 1923 on a section of the current alignment. The route has been extended a few times; the first in 1926 extending the route to SR 3.