David Nasaw (born July 18, 1945 in Cortland, New York) is an American author, biographer and historian who specializes in the cultural and social history of early 20th Century America.
Nasaw is on the faculty of the Graduate Center of the City University of New York, where he is the Arthur M.
He is cited extensively in the US and British media as an expert on the history of popular entertainment and the news media, and as a critic of American philanthropy.