Solon is a city in southeastern Cuyahoga County, Ohio, United States. The population was 24,262 at the 2020 census. A suburb of Cleveland, it is part of the Cleveland metropolitan area.

State Route 91, formerly known as Inter-county Highway 91 until 1921 and State Highway 91 in 1922, is a north–south state highway in the northeastern portion of the U.S. state of Ohio. Its southern terminus is at U.S. Route 224 in Springfield Township, east of Akron. Its northern terminus is at State Route 283 on the Timberlake/Eastlake border less than one mile (1.6 km) south of Lake Erie.