William Klein (born April 19, 1928) is a photographer and filmmaker. Though born in New York City and educated at City College of New York, Klein is predominantly active in France. He has directed a number of feature films, including the 1966 film Who Are You, Polly Magoo? and the anti-American satire Mr. Freedom. Klein’s photography won the Prix Nadar in 1956.
Circa 1950, he married Jeanne Florian.