Dorsey Armstrong (born 1970) is Professor of English and Medieval Literature at Purdue University. She received her Ph.D. in Medieval Literature from Duke University in 1998 and her BA in English and Creative Writing from Stanford University. Before joining the English department at Purdue in 2002, she taught at Centenary College of Louisiana and California State University, Long Beach. Her research interests include medieval women writers; late medieval print culture; and the Arthurian legend.