David Landau may refer to: David J. Landau (1920–1996), Polish-born Holocaust survivor and author who settled in Australia David Landau (screenwriter), American screenwriter David Landau (journalist) (1947–2015), editor of Israeli daily newspaper Haaretz David Landau (actor) (1879–1935), American film actor of the 1930s David P. Landau (born 1941), professor of physics at the University of Georgia David E. Landau, American law professor