Landau is a surname. Notable people with the surname include:
Abraham Landau, German-American-Jewish gangster
Barry Landau, American collector alleged to have stolen thousands of historical documents
Chaim Landau, Israeli Minister of Transportation
David J. Landau (1920–1996), author and Holocaust survivor
David Landau (screenwriter), American screenwriter
David Landau (journalist), former editor-in-chief of Israeli daily newspaper Haaretz
David Landau (actor), actor of the 1930s
David P. Landau, American physicist
Dov Landau, Israeli rabbi
Edmund Landau, German mathematician
Felix Landau, Austrian National Socialist, SS Hauptscharführer, served in an Einsatzkommando
Felix Landau (art), American art dealer
Guttman Landau, Bessarabian Judenrat leader
Henry Landau, American mathematician
Henry Landau (captain), British World War I Captain and author
Jacob Landau (artist), American artist
Jacob Landau, American journalist
Jacob ben Judah Landau, rabbi
Joel Landau, rabbi
John A. Landau
Jon Landau, American music critic and record producer
Jon Landau (film producer), American film producer
Juliet Landau, American actress
Kurt Landau, Austrian communist
Lev Landau, Soviet physicist, awarded the Nobel Prize in 1962
Martin Landau, American actor
Michael Landau, American session guitarist
Moshe Landau, Israeli jurist, former president of the Supreme Court of Israel, president of the court during the Adolf Eichmann war crimes trial
Neil Landau, American writer, playwright, producer, director
Russ Landau, American musician
Salo Landau, Dutch chess player
Saul Landau, American author, documentary filmmaker, and academic
Seth Landau, American film maker
Siegfried Landau, founder of the Brooklyn Philharmonic
Susan Landau, American mathematician and engineer
Uzi Landau, Israeli politician
William Landau, American neurologist
Yechezkel Landau, Jewish theologian and decisor
