Marion is a city in and the county seat of Marion County, Ohio, United States. It is located in north-central Ohio, approximately 50 miles (80 km) north of Columbus. The population was 35,999 at the 2020 census, down slightly from 36,837 at the 2010 census. It is the largest city in Marion County and the principal city of the Marion micropolitan area. It is also part of the larger Columbus–Marion–Zanesville, OH Combined Statistical Area.

The Oorang Indians were a traveling team in the National Football League from LaRue, Ohio. The franchise was a novelty team put together by Walter Lingo to market his Oorang dog kennels. All of the Indians players were Native American, with Jim Thorpe serving as its leading player and coach. The team played in the National Football League in 1922 and 1923. Of the 20 games they played over two seasons, only one was played at "home" in nearby Marion. With a population well under a thousand people, LaRue remains the smallest town ever to have been the home of an NFL franchise, or probably any professional team in any league in the United States.