State Route 274 is a two-lane east–west state highway located in the western portion of the U.S. state of Ohio. The western terminus of State Route 274 is at a T-intersection with U.S. Route 127 approximately 4 miles (6.4 km) west of Chickasaw. Its eastern terminus is at another T-intersection, this time with State Route 273 about 3.5 miles (5.6 km) northeast of Rushsylvania.

Rushsylvania is a village located in Logan County, Ohio, United States. The population was 491 at the 2020 census.