Glenn Russell Conrad was an American historian, professor, and author. He is known for his research of south Louisiana culture, as well as an expert on archival studies, nineteenth-century European history, and the history of colonial Louisiana. He taught at Southern Arkansas University, Magnolia and the University of Southwestern Louisiana from 1958 until 2003, and serving as the director of the Center of Louisiana Studies at University of Southern Louisiana from 1973 until 2003.