Paul Samuel Boyer (August 2, 1935–March 17, 2012) was a U.S. cultural and intellectual historian (Ph.D., Harvard University, 1966) and Merle Curti Professor of History Emeritus and former director (1993–2001) of the Institute for Research in the Humanities at the University of Wisconsin–Madison. He had held visiting professorships at UCLA, Northwestern University, and William & Mary; had received Guggenheim Foundation and Rockefeller Foundation Fellowships; and was an elected member of the American Academy of Arts and Sciences, the Society of American Historians, and the American Antiquarian Society.