Vienna is a city in Wood County, West Virginia, United States, situated along the Ohio River. The population was 10,676 at the 2020 census. It is the second-largest city in the Parkersburg–Vienna metropolitan area.

Wood County is a county in the U.S. state of West Virginia. As of the 2020 census, the population was 84,296, making it West Virginia's fifth-most populous county. Its county seat is Parkersburg. The county was formed in 1798 from the western part of Harrison County and named for James Wood, governor of Virginia from 1796 to 1799.