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