Walter Haas

Walter Haas may refer to:


 * Walter A. Haas (1889–1979), president and chairman of Levi Strauss & Co.
 * Walter A. Haas Jr. (1916–1995), president and chairman of Levi Strauss & Co., son of Walter A. Haas.
 * Walter de Haas or Hanns Günther (1886–1969), German author, translator and editor
 * Walter H. Haas (1917–2015), founder of Association of Lunar and Planetary Observers
 * Walter F. Haas (1869–1936), city attorney of Los Angeles, California
 * Walter J. Haas, American businessman and former president of the Oakland Athletics