Lyndon, OhioLyndon is an unincorporated community in Ross County, in the U.S. state of Ohio.HistoryLyndon was originally called "Zora", and under the latter name was platted in 1853. The present name is after Lyndon, Massachusetts, the native home of an early settler. A former variant name was Lyndon Station. A post office called Lyndon Station was established in 1857, and the name was changed to Lyndon in 1882. Lyndon Station was located on the Marietta and Cincinnati Railroad.