Bernard Allen Weisberger (born August 15, 1922) is an American historian. Weisberger taught American history at several universities including the University of Chicago, Wayne State University, and the University of Rochester, where he was chair of the department. He has written more than a dozen books and worked on documentaries with Bill Moyers and Ken Burns. His article "The Dark and Bloody Ground of Reconstruction Historiography," which received the Charles Ramsdell Prize is considered a standard in the study of the Reconstruction period.