David Landau

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