Old Main is a collection of five buildings joined together at central campus of Marshall University in Huntington, West Virginia. It is located at the junction of Hal Greer Boulevard and Fourth Avenue. The original structure was completed in 1868, with four other additions that was completed at various intervals until 1907. It is a landmark structure on campus, its towers becoming a "symbol of the university."

Marshall University is a public research university in Huntington, West Virginia. It was founded in 1837 and is named after John Marshall, the fourth Chief Justice of the United States Supreme Court.