David M. Oshinsky (born 1944) is an American historian. He currently holds the Jack S. Blanton chair in history at the University of Texas at Austin and is a distinguished scholar in residence at New York University.
Oshinsky graduated from Cornell in 1965 and obtained his PhD from Brandeis University in 1971. He won the annual Pulitzer Prize in History for his 2005 book, Polio: An American Story. His other books include the D.B. Hardeman Prize-winning A Conspiracy So Immense: The World of Joe McCarthy, and the Robert Kennedy Prize-winning Worse Than Slavery: Parchman Farm and the Ordeal of Jim Crow Justice. His articles and reviews appear regularly in the New York Times, Washington Post, and The Chronicle of Higher Education.