Vern Leroy Bullough (July 24, 1928 – June 21, 2006) was an American historian and sexologist. He was a distinguished professor emeritus at the State University of New York (SUNY) at Buffalo, Faculty President at California State University, Northridge, a past president of the Society for the Scientific Study of Sexuality, past Dean of natural and social sciences at the Buffalo State College in Buffalo, New York, one of the founders of the American Association for the History of Nursing, and a member of the editorial board of Paidika: The Journal of Paedophilia.