Judith Walzer Leavitt, American historian and academic
Judith Walzer Leavitt (born July 22, 1940) is an American historian.

She was the Rupple Bascom and Ruth Bleier Professor of History of Medicine, History of Science, and Women's Studies at the University of Wisconsin–Madison. Her book subjects have included a study of Mary Mallon, a history of childbirth in America, and a history of public health in Milwaukee. She is the wife of Waisman Center medical director Lewis Leavitt, as well as the sister of political theorist Michael Walzer.

She is a past president of the American Association for the History of Medicine, and an elected member of the American Academy of Arts and Sciences. Leavitt received her B.A. from Antioch College in 1963, and her M.A.T., M.A., and PhD in history from the University of Chicago in 1975.