State Route 314 (SR 314) is a north–south state highway in the northern portion of the U.S. state of Ohio. The southern terminus of SR 314 is at a T-intersection with the duplex of U.S. Route 36 (US 36) and SR 3 in Centerburg. Its northern terminus is at a T-intersection with State Route 61 less than 1 mile (1.6 km) south of the city limits of Shelby.