Rupert Bayless Vance (15 March 1899 – 25 August 1975) was an American sociologist, demographer, and academic. Vance served as the thirty-forth president of the American Sociological Association. Vance was considered to be a preeminent sociologist of the American South whose research was widely influential among policymakers and scholars.[1] Vance spent the entirety of his career at the University of North Carolina, Chapel Hill, where he both completed his doctoral work and taught as the Kenan Professor of Sociology until his retirement in 1969.